Home / 426,141.46-639,046.06-159,756.63

Finding the Fourth Proportional to 426,141.46, 639,046.06 and 159,756.63

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Solution

The fourth proportional to 426,141.46, 639,046.06 and 159,756.63 is: 239,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,141.46 : 639,046.06 = 159,756.63 : x
  2. Step 2: Convert to fraction form
    426,141.46/639,046.06 = 159,756.63/x
  3. Step 3: Cross multiply
    426,141.46x = 639,046.06 × 159,756.63
  4. Step 4: Simplify right side
    426,141.46x = 102,091,844,960.38
  5. Step 5: Solve for x
    x = 102,091,844,960.38/426,141.46
  6. Step 6: Final answer
    x = 239,572.66

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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.