Home / 262,315.46-393,304.56-172,251.77

Finding the Fourth Proportional to 262,315.46, 393,304.56 and 172,251.77

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Solution

The fourth proportional to 262,315.46, 393,304.56 and 172,251.77 is: 258,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,315.46 : 393,304.56 = 172,251.77 : x
  2. Step 2: Convert to fraction form
    262,315.46/393,304.56 = 172,251.77/x
  3. Step 3: Cross multiply
    262,315.46x = 393,304.56 × 172,251.77
  4. Step 4: Simplify right side
    262,315.46x = 67,747,404,965.52
  5. Step 5: Solve for x
    x = 67,747,404,965.52/262,315.46
  6. Step 6: Final answer
    x = 258,266.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.