Home / 251,844.13-377,766.20-83,319.31

Finding the Fourth Proportional to 251,844.13, 377,766.20 and 83,319.31

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Solution

The fourth proportional to 251,844.13, 377,766.20 and 83,319.31 is: 124,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,844.13 : 377,766.20 = 83,319.31 : x
  2. Step 2: Convert to fraction form
    251,844.13/377,766.20 = 83,319.31/x
  3. Step 3: Cross multiply
    251,844.13x = 377,766.20 × 83,319.31
  4. Step 4: Simplify right side
    251,844.13x = 31,475,219,125.32
  5. Step 5: Solve for x
    x = 31,475,219,125.32/251,844.13
  6. Step 6: Final answer
    x = 124,978.97

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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.