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Finding the Fourth Proportional to 432,001.30, 648,001.95 and 254,416.90

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Solution

The fourth proportional to 432,001.30, 648,001.95 and 254,416.90 is: 381,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,001.30 : 648,001.95 = 254,416.90 : x
  2. Step 2: Convert to fraction form
    432,001.30/648,001.95 = 254,416.90/x
  3. Step 3: Cross multiply
    432,001.30x = 648,001.95 × 254,416.90
  4. Step 4: Simplify right side
    432,001.30x = 164,862,647,312.96
  5. Step 5: Solve for x
    x = 164,862,647,312.96/432,001.30
  6. Step 6: Final answer
    x = 381,625.35

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Similar ratio
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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.