Home / 251,036.20-376,554.30-84,821.80

Finding the Fourth Proportional to 251,036.20, 376,554.30 and 84,821.80

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Solution

The fourth proportional to 251,036.20, 376,554.30 and 84,821.80 is: 127,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,036.20 : 376,554.30 = 84,821.80 : x
  2. Step 2: Convert to fraction form
    251,036.20/376,554.30 = 84,821.80/x
  3. Step 3: Cross multiply
    251,036.20x = 376,554.30 × 84,821.80
  4. Step 4: Simplify right side
    251,036.20x = 31,940,013,523.74
  5. Step 5: Solve for x
    x = 31,940,013,523.74/251,036.20
  6. Step 6: Final answer
    x = 127,232.70

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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.