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Finding the Fourth Proportional to 275,485.46, 413,199.02 and 88,482.38

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Solution

The fourth proportional to 275,485.46, 413,199.02 and 88,482.38 is: 132,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,485.46 : 413,199.02 = 88,482.38 : x
  2. Step 2: Convert to fraction form
    275,485.46/413,199.02 = 88,482.38/x
  3. Step 3: Cross multiply
    275,485.46x = 413,199.02 × 88,482.38
  4. Step 4: Simplify right side
    275,485.46x = 36,560,830,858.48
  5. Step 5: Solve for x
    x = 36,560,830,858.48/275,485.46
  6. Step 6: Final answer
    x = 132,714.20

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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.