Home / 611,020.92-916,521.30-251,118.84

Finding the Fourth Proportional to 611,020.92, 916,521.30 and 251,118.84

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Solution

The fourth proportional to 611,020.92, 916,521.30 and 251,118.84 is: 376,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,020.92 : 916,521.30 = 251,118.84 : x
  2. Step 2: Convert to fraction form
    611,020.92/916,521.30 = 251,118.84/x
  3. Step 3: Cross multiply
    611,020.92x = 916,521.30 × 251,118.84
  4. Step 4: Simplify right side
    611,020.92x = 230,155,765,691.29
  5. Step 5: Solve for x
    x = 230,155,765,691.29/611,020.92
  6. Step 6: Final answer
    x = 376,674.12

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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.