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Finding the Fourth Proportional to 302,027.70, 454,025.70 and 213,891.60

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Solution

The fourth proportional to 302,027.70, 454,025.70 and 213,891.60 is: 321,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,027.70 : 454,025.70 = 213,891.60 : x
  2. Step 2: Convert to fraction form
    302,027.70/454,025.70 = 213,891.60/x
  3. Step 3: Cross multiply
    302,027.70x = 454,025.70 × 213,891.60
  4. Step 4: Simplify right side
    302,027.70x = 97,112,283,414.12
  5. Step 5: Solve for x
    x = 97,112,283,414.12/302,027.70
  6. Step 6: Final answer
    x = 321,534.36

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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.