Home / 421,927.06-582,260.04-230,952.55

Finding the Fourth Proportional to 421,927.06, 582,260.04 and 230,952.55

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Solution

The fourth proportional to 421,927.06, 582,260.04 and 230,952.55 is: 318,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,927.06 : 582,260.04 = 230,952.55 : x
  2. Step 2: Convert to fraction form
    421,927.06/582,260.04 = 230,952.55/x
  3. Step 3: Cross multiply
    421,927.06x = 582,260.04 × 230,952.55
  4. Step 4: Simplify right side
    421,927.06x = 134,474,441,001.10
  5. Step 5: Solve for x
    x = 134,474,441,001.10/421,927.06
  6. Step 6: Final answer
    x = 318,714.90

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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.