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Finding the Fourth Proportional to 359,046.09, 538,567.52 and 92,783.97

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Solution

The fourth proportional to 359,046.09, 538,567.52 and 92,783.97 is: 139,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,046.09 : 538,567.52 = 92,783.97 : x
  2. Step 2: Convert to fraction form
    359,046.09/538,567.52 = 92,783.97/x
  3. Step 3: Cross multiply
    359,046.09x = 538,567.52 × 92,783.97
  4. Step 4: Simplify right side
    359,046.09x = 49,970,432,154.73
  5. Step 5: Solve for x
    x = 49,970,432,154.73/359,046.09
  6. Step 6: Final answer
    x = 139,175.54

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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.