Home / 292,488.38-438,677.08-142,577.90

Finding the Fourth Proportional to 292,488.38, 438,677.08 and 142,577.90

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Solution

The fourth proportional to 292,488.38, 438,677.08 and 142,577.90 is: 213,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,488.38 : 438,677.08 = 142,577.90 : x
  2. Step 2: Convert to fraction form
    292,488.38/438,677.08 = 142,577.90/x
  3. Step 3: Cross multiply
    292,488.38x = 438,677.08 × 142,577.90
  4. Step 4: Simplify right side
    292,488.38x = 62,545,656,844.53
  5. Step 5: Solve for x
    x = 62,545,656,844.53/292,488.38
  6. Step 6: Final answer
    x = 213,839.80

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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.