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Finding the Fourth Proportional to 667,159.93, 1,000,731.03 and 161,725.34

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Solution

The fourth proportional to 667,159.93, 1,000,731.03 and 161,725.34 is: 242,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,159.93 : 1,000,731.03 = 161,725.34 : x
  2. Step 2: Convert to fraction form
    667,159.93/1,000,731.03 = 161,725.34/x
  3. Step 3: Cross multiply
    667,159.93x = 1,000,731.03 × 161,725.34
  4. Step 4: Simplify right side
    667,159.93x = 161,843,566,075.30
  5. Step 5: Solve for x
    x = 161,843,566,075.30/667,159.93
  6. Step 6: Final answer
    x = 242,585.86

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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.