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Finding the Fourth Proportional to 360,245.43, 540,367.42 and 338,323.49

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Solution

The fourth proportional to 360,245.43, 540,367.42 and 338,323.49 is: 507,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,245.43 : 540,367.42 = 338,323.49 : x
  2. Step 2: Convert to fraction form
    360,245.43/540,367.42 = 338,323.49/x
  3. Step 3: Cross multiply
    360,245.43x = 540,367.42 × 338,323.49
  4. Step 4: Simplify right side
    360,245.43x = 182,818,991,416.70
  5. Step 5: Solve for x
    x = 182,818,991,416.70/360,245.43
  6. Step 6: Final answer
    x = 507,484.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.