Home / 421,922.78-582,252.45-230,934.50

Finding the Fourth Proportional to 421,922.78, 582,252.45 and 230,934.50

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Solution

The fourth proportional to 421,922.78, 582,252.45 and 230,934.50 is: 318,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,922.78 : 582,252.45 = 230,934.50 : x
  2. Step 2: Convert to fraction form
    421,922.78/582,252.45 = 230,934.50/x
  3. Step 3: Cross multiply
    421,922.78x = 582,252.45 × 230,934.50
  4. Step 4: Simplify right side
    421,922.78x = 134,462,175,503.26
  5. Step 5: Solve for x
    x = 134,462,175,503.26/421,922.78
  6. Step 6: Final answer
    x = 318,689.07

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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.