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Finding the Fourth Proportional to 243,490.82, 336,016.62 and 136,060.92

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Solution

The fourth proportional to 243,490.82, 336,016.62 and 136,060.92 is: 187,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,490.82 : 336,016.62 = 136,060.92 : x
  2. Step 2: Convert to fraction form
    243,490.82/336,016.62 = 136,060.92/x
  3. Step 3: Cross multiply
    243,490.82x = 336,016.62 × 136,060.92
  4. Step 4: Simplify right side
    243,490.82x = 45,718,730,452.49
  5. Step 5: Solve for x
    x = 45,718,730,452.49/243,490.82
  6. Step 6: Final answer
    x = 187,763.68

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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.