Home / 666,982.15-1,000,475.60-161,543.48

Finding the Fourth Proportional to 666,982.15, 1,000,475.60 and 161,543.48

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Solution

The fourth proportional to 666,982.15, 1,000,475.60 and 161,543.48 is: 242,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,982.15 : 1,000,475.60 = 161,543.48 : x
  2. Step 2: Convert to fraction form
    666,982.15/1,000,475.60 = 161,543.48/x
  3. Step 3: Cross multiply
    666,982.15x = 1,000,475.60 × 161,543.48
  4. Step 4: Simplify right side
    666,982.15x = 161,620,304,268.99
  5. Step 5: Solve for x
    x = 161,620,304,268.99/666,982.15
  6. Step 6: Final answer
    x = 242,315.79

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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.