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Finding the Fourth Proportional to 452,876.67, 679,509 and 153,388.89

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Solution

The fourth proportional to 452,876.67, 679,509 and 153,388.89 is: 230,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,876.67 : 679,509 = 153,388.89 : x
  2. Step 2: Convert to fraction form
    452,876.67/679,509 = 153,388.89/x
  3. Step 3: Cross multiply
    452,876.67x = 679,509 × 153,388.89
  4. Step 4: Simplify right side
    452,876.67x = 104,229,131,255.01
  5. Step 5: Solve for x
    x = 104,229,131,255.01/452,876.67
  6. Step 6: Final answer
    x = 230,149.04

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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.