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Finding the Fourth Proportional to 243,452.36, 335,960.58 and 136,023.88

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Solution

The fourth proportional to 243,452.36, 335,960.58 and 136,023.88 is: 187,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,452.36 : 335,960.58 = 136,023.88 : x
  2. Step 2: Convert to fraction form
    243,452.36/335,960.58 = 136,023.88/x
  3. Step 3: Cross multiply
    243,452.36x = 335,960.58 × 136,023.88
  4. Step 4: Simplify right side
    243,452.36x = 45,698,661,618.65
  5. Step 5: Solve for x
    x = 45,698,661,618.65/243,452.36
  6. Step 6: Final answer
    x = 187,710.90

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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.