Home / 421,943.56-582,166.92-240,589.36

Finding the Fourth Proportional to 421,943.56, 582,166.92 and 240,589.36

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Solution

The fourth proportional to 421,943.56, 582,166.92 and 240,589.36 is: 331,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,943.56 : 582,166.92 = 240,589.36 : x
  2. Step 2: Convert to fraction form
    421,943.56/582,166.92 = 240,589.36/x
  3. Step 3: Cross multiply
    421,943.56x = 582,166.92 × 240,589.36
  4. Step 4: Simplify right side
    421,943.56x = 140,063,166,695.97
  5. Step 5: Solve for x
    x = 140,063,166,695.97/421,943.56
  6. Step 6: Final answer
    x = 331,947.63

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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.