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Finding the Fourth Proportional to 189,228.27, 283,842.42 and 129,884.04

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Solution

The fourth proportional to 189,228.27, 283,842.42 and 129,884.04 is: 194,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,228.27 : 283,842.42 = 129,884.04 : x
  2. Step 2: Convert to fraction form
    189,228.27/283,842.42 = 129,884.04/x
  3. Step 3: Cross multiply
    189,228.27x = 283,842.42 × 129,884.04
  4. Step 4: Simplify right side
    189,228.27x = 36,866,600,232.98
  5. Step 5: Solve for x
    x = 36,866,600,232.98/189,228.27
  6. Step 6: Final answer
    x = 194,826.07

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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.