Home / 229,933.24-317,304.62-129,331

Finding the Fourth Proportional to 229,933.24, 317,304.62 and 129,331

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Solution

The fourth proportional to 229,933.24, 317,304.62 and 129,331 is: 178,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,933.24 : 317,304.62 = 129,331 : x
  2. Step 2: Convert to fraction form
    229,933.24/317,304.62 = 129,331/x
  3. Step 3: Cross multiply
    229,933.24x = 317,304.62 × 129,331
  4. Step 4: Simplify right side
    229,933.24x = 41,037,323,809.22
  5. Step 5: Solve for x
    x = 41,037,323,809.22/229,933.24
  6. Step 6: Final answer
    x = 178,474.95

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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.