Home / 269,422.34-371,789.19-153,132.76

Finding the Fourth Proportional to 269,422.34, 371,789.19 and 153,132.76

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Solution

The fourth proportional to 269,422.34, 371,789.19 and 153,132.76 is: 211,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,422.34 : 371,789.19 = 153,132.76 : x
  2. Step 2: Convert to fraction form
    269,422.34/371,789.19 = 153,132.76/x
  3. Step 3: Cross multiply
    269,422.34x = 371,789.19 × 153,132.76
  4. Step 4: Simplify right side
    269,422.34x = 56,933,105,267.60
  5. Step 5: Solve for x
    x = 56,933,105,267.60/269,422.34
  6. Step 6: Final answer
    x = 211,315.46

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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.