Home / 421,982.11-582,403.11-240,753.16

Finding the Fourth Proportional to 421,982.11, 582,403.11 and 240,753.16

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Solution

The fourth proportional to 421,982.11, 582,403.11 and 240,753.16 is: 332,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,982.11 : 582,403.11 = 240,753.16 : x
  2. Step 2: Convert to fraction form
    421,982.11/582,403.11 = 240,753.16/x
  3. Step 3: Cross multiply
    421,982.11x = 582,403.11 × 240,753.16
  4. Step 4: Simplify right side
    421,982.11x = 140,215,390,305.74
  5. Step 5: Solve for x
    x = 140,215,390,305.74/421,982.11
  6. Step 6: Final answer
    x = 332,278.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.