Home / 251,890.20-377,747.10-74,350.20

Finding the Fourth Proportional to 251,890.20, 377,747.10 and 74,350.20

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Solution

The fourth proportional to 251,890.20, 377,747.10 and 74,350.20 is: 111,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,890.20 : 377,747.10 = 74,350.20 : x
  2. Step 2: Convert to fraction form
    251,890.20/377,747.10 = 74,350.20/x
  3. Step 3: Cross multiply
    251,890.20x = 377,747.10 × 74,350.20
  4. Step 4: Simplify right side
    251,890.20x = 28,085,572,434.42
  5. Step 5: Solve for x
    x = 28,085,572,434.42/251,890.20
  6. Step 6: Final answer
    x = 111,499.27

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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.