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Finding the Fourth Proportional to 180,006.97, 248,223.56 and 154,597.47

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Solution

The fourth proportional to 180,006.97, 248,223.56 and 154,597.47 is: 213,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,006.97 : 248,223.56 = 154,597.47 : x
  2. Step 2: Convert to fraction form
    180,006.97/248,223.56 = 154,597.47/x
  3. Step 3: Cross multiply
    180,006.97x = 248,223.56 × 154,597.47
  4. Step 4: Simplify right side
    180,006.97x = 38,374,733,597.41
  5. Step 5: Solve for x
    x = 38,374,733,597.41/180,006.97
  6. Step 6: Final answer
    x = 213,184.71

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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.