Home / 421,937.20-582,250.80-230,913.64

Finding the Fourth Proportional to 421,937.20, 582,250.80 and 230,913.64

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Solution

The fourth proportional to 421,937.20, 582,250.80 and 230,913.64 is: 318,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,937.20 : 582,250.80 = 230,913.64 : x
  2. Step 2: Convert to fraction form
    421,937.20/582,250.80 = 230,913.64/x
  3. Step 3: Cross multiply
    421,937.20x = 582,250.80 × 230,913.64
  4. Step 4: Simplify right side
    421,937.20x = 134,449,651,620.91
  5. Step 5: Solve for x
    x = 134,449,651,620.91/421,937.20
  6. Step 6: Final answer
    x = 318,648.49

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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.