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Finding the Fourth Proportional to 359,898.53, 538,715.72 and 246,918.11

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Solution

The fourth proportional to 359,898.53, 538,715.72 and 246,918.11 is: 369,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,898.53 : 538,715.72 = 246,918.11 : x
  2. Step 2: Convert to fraction form
    359,898.53/538,715.72 = 246,918.11/x
  3. Step 3: Cross multiply
    359,898.53x = 538,715.72 × 246,918.11
  4. Step 4: Simplify right side
    359,898.53x = 133,018,665,333.41
  5. Step 5: Solve for x
    x = 133,018,665,333.41/359,898.53
  6. Step 6: Final answer
    x = 369,600.47

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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.