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Finding the Fourth Proportional to 307,548.90, 461,323.35 and 97,251.30

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Solution

The fourth proportional to 307,548.90, 461,323.35 and 97,251.30 is: 145,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,548.90 : 461,323.35 = 97,251.30 : x
  2. Step 2: Convert to fraction form
    307,548.90/461,323.35 = 97,251.30/x
  3. Step 3: Cross multiply
    307,548.90x = 461,323.35 × 97,251.30
  4. Step 4: Simplify right side
    307,548.90x = 44,864,295,507.86
  5. Step 5: Solve for x
    x = 44,864,295,507.86/307,548.90
  6. Step 6: Final answer
    x = 145,876.95

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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.