Home / 667,139.49-1,000,711.26-161,698.48

Finding the Fourth Proportional to 667,139.49, 1,000,711.26 and 161,698.48

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Solution

The fourth proportional to 667,139.49, 1,000,711.26 and 161,698.48 is: 242,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,139.49 : 1,000,711.26 = 161,698.48 : x
  2. Step 2: Convert to fraction form
    667,139.49/1,000,711.26 = 161,698.48/x
  3. Step 3: Cross multiply
    667,139.49x = 1,000,711.26 × 161,698.48
  4. Step 4: Simplify right side
    667,139.49x = 161,813,487,159.11
  5. Step 5: Solve for x
    x = 161,813,487,159.11/667,139.49
  6. Step 6: Final answer
    x = 242,548.21

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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.