Home / 414,251.13-621,180.36-144,285.12

Finding the Fourth Proportional to 414,251.13, 621,180.36 and 144,285.12

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Solution

The fourth proportional to 414,251.13, 621,180.36 and 144,285.12 is: 216,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,251.13 : 621,180.36 = 144,285.12 : x
  2. Step 2: Convert to fraction form
    414,251.13/621,180.36 = 144,285.12/x
  3. Step 3: Cross multiply
    414,251.13x = 621,180.36 × 144,285.12
  4. Step 4: Simplify right side
    414,251.13x = 89,627,082,784.24
  5. Step 5: Solve for x
    x = 89,627,082,784.24/414,251.13
  6. Step 6: Final answer
    x = 216,359.30

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1.5x scale

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.