Home / 421,938.18-582,159.53-240,583.97

Finding the Fourth Proportional to 421,938.18, 582,159.53 and 240,583.97

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Solution

The fourth proportional to 421,938.18, 582,159.53 and 240,583.97 is: 331,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,938.18 : 582,159.53 = 240,583.97 : x
  2. Step 2: Convert to fraction form
    421,938.18/582,159.53 = 240,583.97/x
  3. Step 3: Cross multiply
    421,938.18x = 582,159.53 × 240,583.97
  4. Step 4: Simplify right side
    421,938.18x = 140,058,246,787.02
  5. Step 5: Solve for x
    x = 140,058,246,787.02/421,938.18
  6. Step 6: Final answer
    x = 331,940.21

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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.