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Finding the Fourth Proportional to 288,568.62, 432,899.45 and 88,888.82

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Solution

The fourth proportional to 288,568.62, 432,899.45 and 88,888.82 is: 133,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,568.62 : 432,899.45 = 88,888.82 : x
  2. Step 2: Convert to fraction form
    288,568.62/432,899.45 = 88,888.82/x
  3. Step 3: Cross multiply
    288,568.62x = 432,899.45 × 88,888.82
  4. Step 4: Simplify right side
    288,568.62x = 38,479,919,346.87
  5. Step 5: Solve for x
    x = 38,479,919,346.87/288,568.62
  6. Step 6: Final answer
    x = 133,347.55

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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.