Home / 269,772.36-372,283.74-148,913.61

Finding the Fourth Proportional to 269,772.36, 372,283.74 and 148,913.61

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Solution

The fourth proportional to 269,772.36, 372,283.74 and 148,913.61 is: 205,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,772.36 : 372,283.74 = 148,913.61 : x
  2. Step 2: Convert to fraction form
    269,772.36/372,283.74 = 148,913.61/x
  3. Step 3: Cross multiply
    269,772.36x = 372,283.74 × 148,913.61
  4. Step 4: Simplify right side
    269,772.36x = 55,438,115,667.70
  5. Step 5: Solve for x
    x = 55,438,115,667.70/269,772.36
  6. Step 6: Final answer
    x = 205,499.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.