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Finding the Fourth Proportional to 359,032.68, 538,562.69 and 134,369.46

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Solution

The fourth proportional to 359,032.68, 538,562.69 and 134,369.46 is: 201,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,032.68 : 538,562.69 = 134,369.46 : x
  2. Step 2: Convert to fraction form
    359,032.68/538,562.69 = 134,369.46/x
  3. Step 3: Cross multiply
    359,032.68x = 538,562.69 × 134,369.46
  4. Step 4: Simplify right side
    359,032.68x = 72,366,377,159.60
  5. Step 5: Solve for x
    x = 72,366,377,159.60/359,032.68
  6. Step 6: Final answer
    x = 201,559.30

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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.