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Finding the Fourth Proportional to 149,663.61, 224,532.68 and 44,479.71

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Solution

The fourth proportional to 149,663.61, 224,532.68 and 44,479.71 is: 66,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,663.61 : 224,532.68 = 44,479.71 : x
  2. Step 2: Convert to fraction form
    149,663.61/224,532.68 = 44,479.71/x
  3. Step 3: Cross multiply
    149,663.61x = 224,532.68 × 44,479.71
  4. Step 4: Simplify right side
    149,663.61x = 9,987,148,269.52
  5. Step 5: Solve for x
    x = 9,987,148,269.52/149,663.61
  6. Step 6: Final answer
    x = 66,730.64

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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.