Home / 420,262.52-579,942.06-229,264.52

Finding the Fourth Proportional to 420,262.52, 579,942.06 and 229,264.52

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Solution

The fourth proportional to 420,262.52, 579,942.06 and 229,264.52 is: 316,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,262.52 : 579,942.06 = 229,264.52 : x
  2. Step 2: Convert to fraction form
    420,262.52/579,942.06 = 229,264.52/x
  3. Step 3: Cross multiply
    420,262.52x = 579,942.06 × 229,264.52
  4. Step 4: Simplify right side
    420,262.52x = 132,960,138,013.71
  5. Step 5: Solve for x
    x = 132,960,138,013.71/420,262.52
  6. Step 6: Final answer
    x = 316,374.01

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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.