Home / 251,815.91-377,764.87-74,340.86

Finding the Fourth Proportional to 251,815.91, 377,764.87 and 74,340.86

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Solution

The fourth proportional to 251,815.91, 377,764.87 and 74,340.86 is: 111,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,815.91 : 377,764.87 = 74,340.86 : x
  2. Step 2: Convert to fraction form
    251,815.91/377,764.87 = 74,340.86/x
  3. Step 3: Cross multiply
    251,815.91x = 377,764.87 × 74,340.86
  4. Step 4: Simplify right side
    251,815.91x = 28,083,363,053.06
  5. Step 5: Solve for x
    x = 28,083,363,053.06/251,815.91
  6. Step 6: Final answer
    x = 111,523.39

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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.