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Finding the Fourth Proportional to 169,618.60, 254,427.90 and 58,821.80

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Solution

The fourth proportional to 169,618.60, 254,427.90 and 58,821.80 is: 88,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,618.60 : 254,427.90 = 58,821.80 : x
  2. Step 2: Convert to fraction form
    169,618.60/254,427.90 = 58,821.80/x
  3. Step 3: Cross multiply
    169,618.60x = 254,427.90 × 58,821.80
  4. Step 4: Simplify right side
    169,618.60x = 14,965,907,048.22
  5. Step 5: Solve for x
    x = 14,965,907,048.22/169,618.60
  6. Step 6: Final answer
    x = 88,232.70

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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.