Home / 325,770.30-488,822.65-155,185.20

Finding the Fourth Proportional to 325,770.30, 488,822.65 and 155,185.20

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Solution

The fourth proportional to 325,770.30, 488,822.65 and 155,185.20 is: 232,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,770.30 : 488,822.65 = 155,185.20 : x
  2. Step 2: Convert to fraction form
    325,770.30/488,822.65 = 155,185.20/x
  3. Step 3: Cross multiply
    325,770.30x = 488,822.65 × 155,185.20
  4. Step 4: Simplify right side
    325,770.30x = 75,858,040,316.82
  5. Step 5: Solve for x
    x = 75,858,040,316.82/325,770.30
  6. Step 6: Final answer
    x = 232,857.45

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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.