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Finding the Fourth Proportional to 251,047.60, 376,452.60 and 145,898.80

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Solution

The fourth proportional to 251,047.60, 376,452.60 and 145,898.80 is: 218,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,047.60 : 376,452.60 = 145,898.80 : x
  2. Step 2: Convert to fraction form
    251,047.60/376,452.60 = 145,898.80/x
  3. Step 3: Cross multiply
    251,047.60x = 376,452.60 × 145,898.80
  4. Step 4: Simplify right side
    251,047.60x = 54,923,982,596.88
  5. Step 5: Solve for x
    x = 54,923,982,596.88/251,047.60
  6. Step 6: Final answer
    x = 218,779.16

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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.