Home / 334,864.13-502,288.90-82,145.81

Finding the Fourth Proportional to 334,864.13, 502,288.90 and 82,145.81

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Solution

The fourth proportional to 334,864.13, 502,288.90 and 82,145.81 is: 123,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,864.13 : 502,288.90 = 82,145.81 : x
  2. Step 2: Convert to fraction form
    334,864.13/502,288.90 = 82,145.81/x
  3. Step 3: Cross multiply
    334,864.13x = 502,288.90 × 82,145.81
  4. Step 4: Simplify right side
    334,864.13x = 41,260,929,594.87
  5. Step 5: Solve for x
    x = 41,260,929,594.87/334,864.13
  6. Step 6: Final answer
    x = 123,216.93

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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.