Home / 414,275.01-621,426.29-114,758.61

Finding the Fourth Proportional to 414,275.01, 621,426.29 and 114,758.61

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Solution

The fourth proportional to 414,275.01, 621,426.29 and 114,758.61 is: 172,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,275.01 : 621,426.29 = 114,758.61 : x
  2. Step 2: Convert to fraction form
    414,275.01/621,426.29 = 114,758.61/x
  3. Step 3: Cross multiply
    414,275.01x = 621,426.29 × 114,758.61
  4. Step 4: Simplify right side
    414,275.01x = 71,314,016,684.06
  5. Step 5: Solve for x
    x = 71,314,016,684.06/414,275.01
  6. Step 6: Final answer
    x = 172,141.73

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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.