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Finding the Fourth Proportional to 292,717.70, 438,420.45 and 240,229.70

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Solution

The fourth proportional to 292,717.70, 438,420.45 and 240,229.70 is: 359,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,717.70 : 438,420.45 = 240,229.70 : x
  2. Step 2: Convert to fraction form
    292,717.70/438,420.45 = 240,229.70/x
  3. Step 3: Cross multiply
    292,717.70x = 438,420.45 × 240,229.70
  4. Step 4: Simplify right side
    292,717.70x = 105,321,613,177.37
  5. Step 5: Solve for x
    x = 105,321,613,177.37/292,717.70
  6. Step 6: Final answer
    x = 359,806.10

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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.