Home / 269,623.28-404,377.04-80,038.40

Finding the Fourth Proportional to 269,623.28, 404,377.04 and 80,038.40

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Solution

The fourth proportional to 269,623.28, 404,377.04 and 80,038.40 is: 120,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,623.28 : 404,377.04 = 80,038.40 : x
  2. Step 2: Convert to fraction form
    269,623.28/404,377.04 = 80,038.40/x
  3. Step 3: Cross multiply
    269,623.28x = 404,377.04 × 80,038.40
  4. Step 4: Simplify right side
    269,623.28x = 32,365,691,278.34
  5. Step 5: Solve for x
    x = 32,365,691,278.34/269,623.28
  6. Step 6: Final answer
    x = 120,040.42

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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.