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Finding the Fourth Proportional to 288,546.62, 434,789.48 and 237,108.38

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Solution

The fourth proportional to 288,546.62, 434,789.48 and 237,108.38 is: 357,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,546.62 : 434,789.48 = 237,108.38 : x
  2. Step 2: Convert to fraction form
    288,546.62/434,789.48 = 237,108.38/x
  3. Step 3: Cross multiply
    288,546.62x = 434,789.48 × 237,108.38
  4. Step 4: Simplify right side
    288,546.62x = 103,092,229,243.84
  5. Step 5: Solve for x
    x = 103,092,229,243.84/288,546.62
  6. Step 6: Final answer
    x = 357,281.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.