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Finding the Fourth Proportional to 243,793.64, 336,466.38 and 136,369.64

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Solution

The fourth proportional to 243,793.64, 336,466.38 and 136,369.64 is: 188,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,793.64 : 336,466.38 = 136,369.64 : x
  2. Step 2: Convert to fraction form
    243,793.64/336,466.38 = 136,369.64/x
  3. Step 3: Cross multiply
    243,793.64x = 336,466.38 × 136,369.64
  4. Step 4: Simplify right side
    243,793.64x = 45,883,799,112.70
  5. Step 5: Solve for x
    x = 45,883,799,112.70/243,793.64
  6. Step 6: Final answer
    x = 188,207.53

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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.