Home / 329,621.16-454,886.10-202,221.12

Finding the Fourth Proportional to 329,621.16, 454,886.10 and 202,221.12

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Solution

The fourth proportional to 329,621.16, 454,886.10 and 202,221.12 is: 279,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,621.16 : 454,886.10 = 202,221.12 : x
  2. Step 2: Convert to fraction form
    329,621.16/454,886.10 = 202,221.12/x
  3. Step 3: Cross multiply
    329,621.16x = 454,886.10 × 202,221.12
  4. Step 4: Simplify right side
    329,621.16x = 91,987,576,614.43
  5. Step 5: Solve for x
    x = 91,987,576,614.43/329,621.16
  6. Step 6: Final answer
    x = 279,070.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.