Home / 669,478.49-1,004,218.82-164,040.92

Finding the Fourth Proportional to 669,478.49, 1,004,218.82 and 164,040.92

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Solution

The fourth proportional to 669,478.49, 1,004,218.82 and 164,040.92 is: 246,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,478.49 : 1,004,218.82 = 164,040.92 : x
  2. Step 2: Convert to fraction form
    669,478.49/1,004,218.82 = 164,040.92/x
  3. Step 3: Cross multiply
    669,478.49x = 1,004,218.82 × 164,040.92
  4. Step 4: Simplify right side
    669,478.49x = 164,732,979,114.11
  5. Step 5: Solve for x
    x = 164,732,979,114.11/669,478.49
  6. Step 6: Final answer
    x = 246,061.65

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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.