Home / 666,915.82-1,000,376.30-161,475.96

Finding the Fourth Proportional to 666,915.82, 1,000,376.30 and 161,475.96

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Solution

The fourth proportional to 666,915.82, 1,000,376.30 and 161,475.96 is: 242,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,915.82 : 1,000,376.30 = 161,475.96 : x
  2. Step 2: Convert to fraction form
    666,915.82/1,000,376.30 = 161,475.96/x
  3. Step 3: Cross multiply
    666,915.82x = 1,000,376.30 × 161,475.96
  4. Step 4: Simplify right side
    666,915.82x = 161,536,723,403.75
  5. Step 5: Solve for x
    x = 161,536,723,403.75/666,915.82
  6. Step 6: Final answer
    x = 242,214.56

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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.