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Finding the Fourth Proportional to 151,290.54, 226,830.42 and 67,004.88

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Solution

The fourth proportional to 151,290.54, 226,830.42 and 67,004.88 is: 100,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,290.54 : 226,830.42 = 67,004.88 : x
  2. Step 2: Convert to fraction form
    151,290.54/226,830.42 = 67,004.88/x
  3. Step 3: Cross multiply
    151,290.54x = 226,830.42 × 67,004.88
  4. Step 4: Simplify right side
    151,290.54x = 15,198,745,072.45
  5. Step 5: Solve for x
    x = 15,198,745,072.45/151,290.54
  6. Step 6: Final answer
    x = 100,460.64

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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.