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Finding the Fourth Proportional to 402,187.40, 602,762.70 and 244,248.20

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Solution

The fourth proportional to 402,187.40, 602,762.70 and 244,248.20 is: 366,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,187.40 : 602,762.70 = 244,248.20 : x
  2. Step 2: Convert to fraction form
    402,187.40/602,762.70 = 244,248.20/x
  3. Step 3: Cross multiply
    402,187.40x = 602,762.70 × 244,248.20
  4. Step 4: Simplify right side
    402,187.40x = 147,223,704,502.14
  5. Step 5: Solve for x
    x = 147,223,704,502.14/402,187.40
  6. Step 6: Final answer
    x = 366,057.48

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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.