Home / 345,989.20-477,454.26-202,844.58

Finding the Fourth Proportional to 345,989.20, 477,454.26 and 202,844.58

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Solution

The fourth proportional to 345,989.20, 477,454.26 and 202,844.58 is: 279,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,989.20 : 477,454.26 = 202,844.58 : x
  2. Step 2: Convert to fraction form
    345,989.20/477,454.26 = 202,844.58/x
  3. Step 3: Cross multiply
    345,989.20x = 477,454.26 × 202,844.58
  4. Step 4: Simplify right side
    345,989.20x = 96,849,006,451.64
  5. Step 5: Solve for x
    x = 96,849,006,451.64/345,989.20
  6. Step 6: Final answer
    x = 279,919.16

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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.