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Finding the Fourth Proportional to 461,410.60, 692,115.90 and 145,964.20

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Solution

The fourth proportional to 461,410.60, 692,115.90 and 145,964.20 is: 218,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,410.60 : 692,115.90 = 145,964.20 : x
  2. Step 2: Convert to fraction form
    461,410.60/692,115.90 = 145,964.20/x
  3. Step 3: Cross multiply
    461,410.60x = 692,115.90 × 145,964.20
  4. Step 4: Simplify right side
    461,410.60x = 101,024,143,650.78
  5. Step 5: Solve for x
    x = 101,024,143,650.78/461,410.60
  6. Step 6: Final answer
    x = 218,946.30

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Similar ratio
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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.