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Finding the Fourth Proportional to 239,654.01, 330,751.82 and 137,679.27

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Solution

The fourth proportional to 239,654.01, 330,751.82 and 137,679.27 is: 190,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,654.01 : 330,751.82 = 137,679.27 : x
  2. Step 2: Convert to fraction form
    239,654.01/330,751.82 = 137,679.27/x
  3. Step 3: Cross multiply
    239,654.01x = 330,751.82 × 137,679.27
  4. Step 4: Simplify right side
    239,654.01x = 45,537,668,440.38
  5. Step 5: Solve for x
    x = 45,537,668,440.38/239,654.01
  6. Step 6: Final answer
    x = 190,014.21

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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.