Home / 251,030.20-376,545.30-84,815.80

Finding the Fourth Proportional to 251,030.20, 376,545.30 and 84,815.80

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Solution

The fourth proportional to 251,030.20, 376,545.30 and 84,815.80 is: 127,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,030.20 : 376,545.30 = 84,815.80 : x
  2. Step 2: Convert to fraction form
    251,030.20/376,545.30 = 84,815.80/x
  3. Step 3: Cross multiply
    251,030.20x = 376,545.30 × 84,815.80
  4. Step 4: Simplify right side
    251,030.20x = 31,936,990,855.74
  5. Step 5: Solve for x
    x = 31,936,990,855.74/251,030.20
  6. Step 6: Final answer
    x = 127,223.70

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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.