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Finding the Fourth Proportional to 240,221.40, 360,029.70 and 121,925.40

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Solution

The fourth proportional to 240,221.40, 360,029.70 and 121,925.40 is: 182,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,221.40 : 360,029.70 = 121,925.40 : x
  2. Step 2: Convert to fraction form
    240,221.40/360,029.70 = 121,925.40/x
  3. Step 3: Cross multiply
    240,221.40x = 360,029.70 × 121,925.40
  4. Step 4: Simplify right side
    240,221.40x = 43,896,765,184.38
  5. Step 5: Solve for x
    x = 43,896,765,184.38/240,221.40
  6. Step 6: Final answer
    x = 182,734.62

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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.