Home / 327,420.31-491,210.61-114,158.65

Finding the Fourth Proportional to 327,420.31, 491,210.61 and 114,158.65

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Solution

The fourth proportional to 327,420.31, 491,210.61 and 114,158.65 is: 171,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,420.31 : 491,210.61 = 114,158.65 : x
  2. Step 2: Convert to fraction form
    327,420.31/491,210.61 = 114,158.65/x
  3. Step 3: Cross multiply
    327,420.31x = 491,210.61 × 114,158.65
  4. Step 4: Simplify right side
    327,420.31x = 56,075,940,103.28
  5. Step 5: Solve for x
    x = 56,075,940,103.28/327,420.31
  6. Step 6: Final answer
    x = 171,265.92

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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.