Home / 215,850.20-323,775.30-180,858.20

Finding the Fourth Proportional to 215,850.20, 323,775.30 and 180,858.20

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Solution

The fourth proportional to 215,850.20, 323,775.30 and 180,858.20 is: 271,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,850.20 : 323,775.30 = 180,858.20 : x
  2. Step 2: Convert to fraction form
    215,850.20/323,775.30 = 180,858.20/x
  3. Step 3: Cross multiply
    215,850.20x = 323,775.30 × 180,858.20
  4. Step 4: Simplify right side
    215,850.20x = 58,557,417,962.46
  5. Step 5: Solve for x
    x = 58,557,417,962.46/215,850.20
  6. Step 6: Final answer
    x = 271,287.30

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1.5x scale

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.