Home / 407,723.30-611,537.43-108,227.17

Finding the Fourth Proportional to 407,723.30, 611,537.43 and 108,227.17

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Solution

The fourth proportional to 407,723.30, 611,537.43 and 108,227.17 is: 162,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,723.30 : 611,537.43 = 108,227.17 : x
  2. Step 2: Convert to fraction form
    407,723.30/611,537.43 = 108,227.17/x
  3. Step 3: Cross multiply
    407,723.30x = 611,537.43 × 108,227.17
  4. Step 4: Simplify right side
    407,723.30x = 66,184,965,959.47
  5. Step 5: Solve for x
    x = 66,184,965,959.47/407,723.30
  6. Step 6: Final answer
    x = 162,328.14

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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.