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Finding the Fourth Proportional to 218,246.76, 301,177.62 and 122,753.40

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Solution

The fourth proportional to 218,246.76, 301,177.62 and 122,753.40 is: 169,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,246.76 : 301,177.62 = 122,753.40 : x
  2. Step 2: Convert to fraction form
    218,246.76/301,177.62 = 122,753.40/x
  3. Step 3: Cross multiply
    218,246.76x = 301,177.62 × 122,753.40
  4. Step 4: Simplify right side
    218,246.76x = 36,970,576,858.91
  5. Step 5: Solve for x
    x = 36,970,576,858.91/218,246.76
  6. Step 6: Final answer
    x = 169,398.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.