Home / 421,934.36-582,264.90-240,641.60

Finding the Fourth Proportional to 421,934.36, 582,264.90 and 240,641.60

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Solution

The fourth proportional to 421,934.36, 582,264.90 and 240,641.60 is: 332,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,934.36 : 582,264.90 = 240,641.60 : x
  2. Step 2: Convert to fraction form
    421,934.36/582,264.90 = 240,641.60/x
  3. Step 3: Cross multiply
    421,934.36x = 582,264.90 × 240,641.60
  4. Step 4: Simplify right side
    421,934.36x = 140,117,157,159.84
  5. Step 5: Solve for x
    x = 140,117,157,159.84/421,934.36
  6. Step 6: Final answer
    x = 332,082.83

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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.