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Finding the Fourth Proportional to 180,454.78, 248,862.13 and 154,952.47

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Solution

The fourth proportional to 180,454.78, 248,862.13 and 154,952.47 is: 213,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,454.78 : 248,862.13 = 154,952.47 : x
  2. Step 2: Convert to fraction form
    180,454.78/248,862.13 = 154,952.47/x
  3. Step 3: Cross multiply
    180,454.78x = 248,862.13 × 154,952.47
  4. Step 4: Simplify right side
    180,454.78x = 38,561,801,732.96
  5. Step 5: Solve for x
    x = 38,561,801,732.96/180,454.78
  6. Step 6: Final answer
    x = 213,692.33

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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.