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Finding the Fourth Proportional to 452,793.52, 679,151.12 and 153,267.68

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Solution

The fourth proportional to 452,793.52, 679,151.12 and 153,267.68 is: 229,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,793.52 : 679,151.12 = 153,267.68 : x
  2. Step 2: Convert to fraction form
    452,793.52/679,151.12 = 153,267.68/x
  3. Step 3: Cross multiply
    452,793.52x = 679,151.12 × 153,267.68
  4. Step 4: Simplify right side
    452,793.52x = 104,091,916,531.80
  5. Step 5: Solve for x
    x = 104,091,916,531.80/452,793.52
  6. Step 6: Final answer
    x = 229,888.26

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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.