Home / 331,262.78-457,306.52-229,366.36

Finding the Fourth Proportional to 331,262.78, 457,306.52 and 229,366.36

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Solution

The fourth proportional to 331,262.78, 457,306.52 and 229,366.36 is: 316,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,262.78 : 457,306.52 = 229,366.36 : x
  2. Step 2: Convert to fraction form
    331,262.78/457,306.52 = 229,366.36/x
  3. Step 3: Cross multiply
    331,262.78x = 457,306.52 × 229,366.36
  4. Step 4: Simplify right side
    331,262.78x = 104,890,731,896.67
  5. Step 5: Solve for x
    x = 104,890,731,896.67/331,262.78
  6. Step 6: Final answer
    x = 316,639.05

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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.