Home / 421,967.28-582,320.36-230,976.60

Finding the Fourth Proportional to 421,967.28, 582,320.36 and 230,976.60

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Solution

The fourth proportional to 421,967.28, 582,320.36 and 230,976.60 is: 318,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,967.28 : 582,320.36 = 230,976.60 : x
  2. Step 2: Convert to fraction form
    421,967.28/582,320.36 = 230,976.60/x
  3. Step 3: Cross multiply
    421,967.28x = 582,320.36 × 230,976.60
  4. Step 4: Simplify right side
    421,967.28x = 134,502,376,863.58
  5. Step 5: Solve for x
    x = 134,502,376,863.58/421,967.28
  6. Step 6: Final answer
    x = 318,750.73

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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.