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Finding the Fourth Proportional to 250,377.60, 375,589.52 and 81,898.89

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Solution

The fourth proportional to 250,377.60, 375,589.52 and 81,898.89 is: 122,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,377.60 : 375,589.52 = 81,898.89 : x
  2. Step 2: Convert to fraction form
    250,377.60/375,589.52 = 81,898.89/x
  3. Step 3: Cross multiply
    250,377.60x = 375,589.52 × 81,898.89
  4. Step 4: Simplify right side
    250,377.60x = 30,760,364,783.63
  5. Step 5: Solve for x
    x = 30,760,364,783.63/250,377.60
  6. Step 6: Final answer
    x = 122,855.90

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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.