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Finding the Fourth Proportional to 240,357.72, 331,735.29 and 144,864.54

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Solution

The fourth proportional to 240,357.72, 331,735.29 and 144,864.54 is: 199,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,357.72 : 331,735.29 = 144,864.54 : x
  2. Step 2: Convert to fraction form
    240,357.72/331,735.29 = 144,864.54/x
  3. Step 3: Cross multiply
    240,357.72x = 331,735.29 × 144,864.54
  4. Step 4: Simplify right side
    240,357.72x = 48,056,680,187.62
  5. Step 5: Solve for x
    x = 48,056,680,187.62/240,357.72
  6. Step 6: Final answer
    x = 199,938.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.