Home / 666,935.30-1,000,405.42-161,495.44

Finding the Fourth Proportional to 666,935.30, 1,000,405.42 and 161,495.44

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Solution

The fourth proportional to 666,935.30, 1,000,405.42 and 161,495.44 is: 242,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,935.30 : 1,000,405.42 = 161,495.44 : x
  2. Step 2: Convert to fraction form
    666,935.30/1,000,405.42 = 161,495.44/x
  3. Step 3: Cross multiply
    666,935.30x = 1,000,405.42 × 161,495.44
  4. Step 4: Simplify right side
    666,935.30x = 161,560,910,576.53
  5. Step 5: Solve for x
    x = 161,560,910,576.53/666,935.30
  6. Step 6: Final answer
    x = 242,243.75

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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.