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Finding the Fourth Proportional to 359,036.34, 538,552.89 and 92,774.22

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Solution

The fourth proportional to 359,036.34, 538,552.89 and 92,774.22 is: 139,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,036.34 : 538,552.89 = 92,774.22 : x
  2. Step 2: Convert to fraction form
    359,036.34/538,552.89 = 92,774.22/x
  3. Step 3: Cross multiply
    359,036.34x = 538,552.89 × 92,774.22
  4. Step 4: Simplify right side
    359,036.34x = 49,963,824,298.50
  5. Step 5: Solve for x
    x = 49,963,824,298.50/359,036.34
  6. Step 6: Final answer
    x = 139,160.91

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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.