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Finding the Fourth Proportional to 288,094.91, 432,142.37 and 77,732.85

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Solution

The fourth proportional to 288,094.91, 432,142.37 and 77,732.85 is: 116,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,094.91 : 432,142.37 = 77,732.85 : x
  2. Step 2: Convert to fraction form
    288,094.91/432,142.37 = 77,732.85/x
  3. Step 3: Cross multiply
    288,094.91x = 432,142.37 × 77,732.85
  4. Step 4: Simplify right side
    288,094.91x = 33,591,656,016.66
  5. Step 5: Solve for x
    x = 33,591,656,016.66/288,094.91
  6. Step 6: Final answer
    x = 116,599.27

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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.