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Finding the Fourth Proportional to 228,059.14, 314,771.57 and 132,620.89

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Solution

The fourth proportional to 228,059.14, 314,771.57 and 132,620.89 is: 183,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,059.14 : 314,771.57 = 132,620.89 : x
  2. Step 2: Convert to fraction form
    228,059.14/314,771.57 = 132,620.89/x
  3. Step 3: Cross multiply
    228,059.14x = 314,771.57 × 132,620.89
  4. Step 4: Simplify right side
    228,059.14x = 41,745,286,091.65
  5. Step 5: Solve for x
    x = 41,745,286,091.65/228,059.14
  6. Step 6: Final answer
    x = 183,045.88

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1.5x scale

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.