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Finding the Fourth Proportional to 243,233.28, 335,573.28 and 142,611.84

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Solution

The fourth proportional to 243,233.28, 335,573.28 and 142,611.84 is: 196,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,233.28 : 335,573.28 = 142,611.84 : x
  2. Step 2: Convert to fraction form
    243,233.28/335,573.28 = 142,611.84/x
  3. Step 3: Cross multiply
    243,233.28x = 335,573.28 × 142,611.84
  4. Step 4: Simplify right side
    243,233.28x = 47,856,722,915.64
  5. Step 5: Solve for x
    x = 47,856,722,915.64/243,233.28
  6. Step 6: Final answer
    x = 196,752.36

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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.