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Finding the Fourth Proportional to 263,549.76, 394,829.28 and 130,274.88

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Solution

The fourth proportional to 263,549.76, 394,829.28 and 130,274.88 is: 195,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,549.76 : 394,829.28 = 130,274.88 : x
  2. Step 2: Convert to fraction form
    263,549.76/394,829.28 = 130,274.88/x
  3. Step 3: Cross multiply
    263,549.76x = 394,829.28 × 130,274.88
  4. Step 4: Simplify right side
    263,549.76x = 51,436,337,072.49
  5. Step 5: Solve for x
    x = 51,436,337,072.49/263,549.76
  6. Step 6: Final answer
    x = 195,167.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.