Home / 269,721.89-372,214.37-148,863.17

Finding the Fourth Proportional to 269,721.89, 372,214.37 and 148,863.17

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Solution

The fourth proportional to 269,721.89, 372,214.37 and 148,863.17 is: 205,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,721.89 : 372,214.37 = 148,863.17 : x
  2. Step 2: Convert to fraction form
    269,721.89/372,214.37 = 148,863.17/x
  3. Step 3: Cross multiply
    269,721.89x = 372,214.37 × 148,863.17
  4. Step 4: Simplify right side
    269,721.89x = 55,409,013,317.47
  5. Step 5: Solve for x
    x = 55,409,013,317.47/269,721.89
  6. Step 6: Final answer
    x = 205,430.17

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1.5x scale

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.