Home / 269,853.21-372,403.23-149,002.13

Finding the Fourth Proportional to 269,853.21, 372,403.23 and 149,002.13

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Solution

The fourth proportional to 269,853.21, 372,403.23 and 149,002.13 is: 205,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,853.21 : 372,403.23 = 149,002.13 : x
  2. Step 2: Convert to fraction form
    269,853.21/372,403.23 = 149,002.13/x
  3. Step 3: Cross multiply
    269,853.21x = 372,403.23 × 149,002.13
  4. Step 4: Simplify right side
    269,853.21x = 55,488,875,908.80
  5. Step 5: Solve for x
    x = 55,488,875,908.80/269,853.21
  6. Step 6: Final answer
    x = 205,626.15

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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.