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Finding the Fourth Proportional to 288,575.90, 432,863.85 and 182,287.70

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Solution

The fourth proportional to 288,575.90, 432,863.85 and 182,287.70 is: 273,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,575.90 : 432,863.85 = 182,287.70 : x
  2. Step 2: Convert to fraction form
    288,575.90/432,863.85 = 182,287.70/x
  3. Step 3: Cross multiply
    288,575.90x = 432,863.85 × 182,287.70
  4. Step 4: Simplify right side
    288,575.90x = 78,905,755,629.65
  5. Step 5: Solve for x
    x = 78,905,755,629.65/288,575.90
  6. Step 6: Final answer
    x = 273,431.55

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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.