Home / 268,780.73-403,075.04-88,832.86

Finding the Fourth Proportional to 268,780.73, 403,075.04 and 88,832.86

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Solution

The fourth proportional to 268,780.73, 403,075.04 and 88,832.86 is: 133,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,780.73 : 403,075.04 = 88,832.86 : x
  2. Step 2: Convert to fraction form
    268,780.73/403,075.04 = 88,832.86/x
  3. Step 3: Cross multiply
    268,780.73x = 403,075.04 × 88,832.86
  4. Step 4: Simplify right side
    268,780.73x = 35,806,308,597.81
  5. Step 5: Solve for x
    x = 35,806,308,597.81/268,780.73
  6. Step 6: Final answer
    x = 133,217.54

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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.