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Finding the Fourth Proportional to 332,175.30, 497,744.55 and 287,592.90

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Solution

The fourth proportional to 332,175.30, 497,744.55 and 287,592.90 is: 430,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,175.30 : 497,744.55 = 287,592.90 : x
  2. Step 2: Convert to fraction form
    332,175.30/497,744.55 = 287,592.90/x
  3. Step 3: Cross multiply
    332,175.30x = 497,744.55 × 287,592.90
  4. Step 4: Simplify right side
    332,175.30x = 143,147,798,593.70
  5. Step 5: Solve for x
    x = 143,147,798,593.70/332,175.30
  6. Step 6: Final answer
    x = 430,940.53

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1.5x scale

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.