Home / 269,746.40-372,194.45-155,002.87

Finding the Fourth Proportional to 269,746.40, 372,194.45 and 155,002.87

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Solution

The fourth proportional to 269,746.40, 372,194.45 and 155,002.87 is: 213,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,746.40 : 372,194.45 = 155,002.87 : x
  2. Step 2: Convert to fraction form
    269,746.40/372,194.45 = 155,002.87/x
  3. Step 3: Cross multiply
    269,746.40x = 372,194.45 × 155,002.87
  4. Step 4: Simplify right side
    269,746.40x = 57,691,209,091.45
  5. Step 5: Solve for x
    x = 57,691,209,091.45/269,746.40
  6. Step 6: Final answer
    x = 213,872.03

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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.