Home / 421,995.10-582,421.08-240,766.18

Finding the Fourth Proportional to 421,995.10, 582,421.08 and 240,766.18

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Solution

The fourth proportional to 421,995.10, 582,421.08 and 240,766.18 is: 332,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,995.10 : 582,421.08 = 240,766.18 : x
  2. Step 2: Convert to fraction form
    421,995.10/582,421.08 = 240,766.18/x
  3. Step 3: Cross multiply
    421,995.10x = 582,421.08 × 240,766.18
  4. Step 4: Simplify right side
    421,995.10x = 140,227,298,583.07
  5. Step 5: Solve for x
    x = 140,227,298,583.07/421,995.10
  6. Step 6: Final answer
    x = 332,296.04

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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.