Home / 667,241.76-1,000,858.96-161,802.36

Finding the Fourth Proportional to 667,241.76, 1,000,858.96 and 161,802.36

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Solution

The fourth proportional to 667,241.76, 1,000,858.96 and 161,802.36 is: 242,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,241.76 : 1,000,858.96 = 161,802.36 : x
  2. Step 2: Convert to fraction form
    667,241.76/1,000,858.96 = 161,802.36/x
  3. Step 3: Cross multiply
    667,241.76x = 1,000,858.96 × 161,802.36
  4. Step 4: Simplify right side
    667,241.76x = 161,941,341,755.15
  5. Step 5: Solve for x
    x = 161,941,341,755.15/667,241.76
  6. Step 6: Final answer
    x = 242,702.65

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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.