Home / 269,947.98-404,880.35-90,036.55

Finding the Fourth Proportional to 269,947.98, 404,880.35 and 90,036.55

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Solution

The fourth proportional to 269,947.98, 404,880.35 and 90,036.55 is: 135,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,947.98 : 404,880.35 = 90,036.55 : x
  2. Step 2: Convert to fraction form
    269,947.98/404,880.35 = 90,036.55/x
  3. Step 3: Cross multiply
    269,947.98x = 404,880.35 × 90,036.55
  4. Step 4: Simplify right side
    269,947.98x = 36,454,029,876.79
  5. Step 5: Solve for x
    x = 36,454,029,876.79/269,947.98
  6. Step 6: Final answer
    x = 135,040.94

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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.