Home / 288,287.03-432,471.89-88,624.16

Finding the Fourth Proportional to 288,287.03, 432,471.89 and 88,624.16

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Solution

The fourth proportional to 288,287.03, 432,471.89 and 88,624.16 is: 132,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,287.03 : 432,471.89 = 88,624.16 : x
  2. Step 2: Convert to fraction form
    288,287.03/432,471.89 = 88,624.16/x
  3. Step 3: Cross multiply
    288,287.03x = 432,471.89 × 88,624.16
  4. Step 4: Simplify right side
    288,287.03x = 38,327,455,369.38
  5. Step 5: Solve for x
    x = 38,327,455,369.38/288,287.03
  6. Step 6: Final answer
    x = 132,948.94

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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.