Home / 421,849.17-582,153.75-230,862.11

Finding the Fourth Proportional to 421,849.17, 582,153.75 and 230,862.11

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Solution

The fourth proportional to 421,849.17, 582,153.75 and 230,862.11 is: 318,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,849.17 : 582,153.75 = 230,862.11 : x
  2. Step 2: Convert to fraction form
    421,849.17/582,153.75 = 230,862.11/x
  3. Step 3: Cross multiply
    421,849.17x = 582,153.75 × 230,862.11
  4. Step 4: Simplify right side
    421,849.17x = 134,397,240,158.64
  5. Step 5: Solve for x
    x = 134,397,240,158.64/421,849.17
  6. Step 6: Final answer
    x = 318,590.74

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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.