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Finding the Fourth Proportional to 497,565.60, 746,445.60 and 197,995.20

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Solution

The fourth proportional to 497,565.60, 746,445.60 and 197,995.20 is: 297,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,565.60 : 746,445.60 = 197,995.20 : x
  2. Step 2: Convert to fraction form
    497,565.60/746,445.60 = 197,995.20/x
  3. Step 3: Cross multiply
    497,565.60x = 746,445.60 × 197,995.20
  4. Step 4: Simplify right side
    497,565.60x = 147,792,645,861.12
  5. Step 5: Solve for x
    x = 147,792,645,861.12/497,565.60
  6. Step 6: Final answer
    x = 297,031.48

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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.