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Finding the Fourth Proportional to 467,046.60, 700,472.70 and 130,000.20

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Solution

The fourth proportional to 467,046.60, 700,472.70 and 130,000.20 is: 194,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,046.60 : 700,472.70 = 130,000.20 : x
  2. Step 2: Convert to fraction form
    467,046.60/700,472.70 = 130,000.20/x
  3. Step 3: Cross multiply
    467,046.60x = 700,472.70 × 130,000.20
  4. Step 4: Simplify right side
    467,046.60x = 91,061,591,094.54
  5. Step 5: Solve for x
    x = 91,061,591,094.54/467,046.60
  6. Step 6: Final answer
    x = 194,973.24

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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.