Home / 293,655.10-440,439.45-83,314.30

Finding the Fourth Proportional to 293,655.10, 440,439.45 and 83,314.30

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Solution

The fourth proportional to 293,655.10, 440,439.45 and 83,314.30 is: 124,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,655.10 : 440,439.45 = 83,314.30 : x
  2. Step 2: Convert to fraction form
    293,655.10/440,439.45 = 83,314.30/x
  3. Step 3: Cross multiply
    293,655.10x = 440,439.45 × 83,314.30
  4. Step 4: Simplify right side
    293,655.10x = 36,694,904,469.14
  5. Step 5: Solve for x
    x = 36,694,904,469.14/293,655.10
  6. Step 6: Final answer
    x = 124,959.19

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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.