Home / 272,330.40-408,058.20-178,726.80

Finding the Fourth Proportional to 272,330.40, 408,058.20 and 178,726.80

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Solution

The fourth proportional to 272,330.40, 408,058.20 and 178,726.80 is: 267,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,330.40 : 408,058.20 = 178,726.80 : x
  2. Step 2: Convert to fraction form
    272,330.40/408,058.20 = 178,726.80/x
  3. Step 3: Cross multiply
    272,330.40x = 408,058.20 × 178,726.80
  4. Step 4: Simplify right side
    272,330.40x = 72,930,936,299.76
  5. Step 5: Solve for x
    x = 72,930,936,299.76/272,330.40
  6. Step 6: Final answer
    x = 267,803.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.