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Finding the Fourth Proportional to 275,383.40, 413,075.10 and 88,413.80

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Solution

The fourth proportional to 275,383.40, 413,075.10 and 88,413.80 is: 132,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,383.40 : 413,075.10 = 88,413.80 : x
  2. Step 2: Convert to fraction form
    275,383.40/413,075.10 = 88,413.80/x
  3. Step 3: Cross multiply
    275,383.40x = 413,075.10 × 88,413.80
  4. Step 4: Simplify right side
    275,383.40x = 36,521,539,276.38
  5. Step 5: Solve for x
    x = 36,521,539,276.38/275,383.40
  6. Step 6: Final answer
    x = 132,620.70

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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.