Home / 332,003.10-498,004.65-306,342.30

Finding the Fourth Proportional to 332,003.10, 498,004.65 and 306,342.30

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Solution

The fourth proportional to 332,003.10, 498,004.65 and 306,342.30 is: 459,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,003.10 : 498,004.65 = 306,342.30 : x
  2. Step 2: Convert to fraction form
    332,003.10/498,004.65 = 306,342.30/x
  3. Step 3: Cross multiply
    332,003.10x = 498,004.65 × 306,342.30
  4. Step 4: Simplify right side
    332,003.10x = 152,559,889,891.70
  5. Step 5: Solve for x
    x = 152,559,889,891.70/332,003.10
  6. Step 6: Final answer
    x = 459,513.45

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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.