Home / 414,170.29-621,101.61-144,229.11

Finding the Fourth Proportional to 414,170.29, 621,101.61 and 144,229.11

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Solution

The fourth proportional to 414,170.29, 621,101.61 and 144,229.11 is: 216,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,170.29 : 621,101.61 = 144,229.11 : x
  2. Step 2: Convert to fraction form
    414,170.29/621,101.61 = 144,229.11/x
  3. Step 3: Cross multiply
    414,170.29x = 621,101.61 × 144,229.11
  4. Step 4: Simplify right side
    414,170.29x = 89,580,932,429.87
  5. Step 5: Solve for x
    x = 89,580,932,429.87/414,170.29
  6. Step 6: Final answer
    x = 216,290.10

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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.