Home / 669,239.96-1,003,872.89-163,805.29

Finding the Fourth Proportional to 669,239.96, 1,003,872.89 and 163,805.29

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Solution

The fourth proportional to 669,239.96, 1,003,872.89 and 163,805.29 is: 245,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,239.96 : 1,003,872.89 = 163,805.29 : x
  2. Step 2: Convert to fraction form
    669,239.96/1,003,872.89 = 163,805.29/x
  3. Step 3: Cross multiply
    669,239.96x = 1,003,872.89 × 163,805.29
  4. Step 4: Simplify right side
    669,239.96x = 164,439,687,769.42
  5. Step 5: Solve for x
    x = 164,439,687,769.42/669,239.96
  6. Step 6: Final answer
    x = 245,711.10

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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.