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Finding the Fourth Proportional to 423,224.52, 634,884.96 and 153,479.76

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Solution

The fourth proportional to 423,224.52, 634,884.96 and 153,479.76 is: 230,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,224.52 : 634,884.96 = 153,479.76 : x
  2. Step 2: Convert to fraction form
    423,224.52/634,884.96 = 153,479.76/x
  3. Step 3: Cross multiply
    423,224.52x = 634,884.96 × 153,479.76
  4. Step 4: Simplify right side
    423,224.52x = 97,441,991,288.41
  5. Step 5: Solve for x
    x = 97,441,991,288.41/423,224.52
  6. Step 6: Final answer
    x = 230,237.11

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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.