Home / 667,433.49-1,001,139.63-161,998.65

Finding the Fourth Proportional to 667,433.49, 1,001,139.63 and 161,998.65

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Solution

The fourth proportional to 667,433.49, 1,001,139.63 and 161,998.65 is: 242,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,433.49 : 1,001,139.63 = 161,998.65 : x
  2. Step 2: Convert to fraction form
    667,433.49/1,001,139.63 = 161,998.65/x
  3. Step 3: Cross multiply
    667,433.49x = 1,001,139.63 × 161,998.65
  4. Step 4: Simplify right side
    667,433.49x = 162,183,268,521.50
  5. Step 5: Solve for x
    x = 162,183,268,521.50/667,433.49
  6. Step 6: Final answer
    x = 242,995.40

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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.