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Finding the Fourth Proportional to 330,272.34, 495,599.18 and 178,469.93

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Solution

The fourth proportional to 330,272.34, 495,599.18 and 178,469.93 is: 267,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,272.34 : 495,599.18 = 178,469.93 : x
  2. Step 2: Convert to fraction form
    330,272.34/495,599.18 = 178,469.93/x
  3. Step 3: Cross multiply
    330,272.34x = 495,599.18 × 178,469.93
  4. Step 4: Simplify right side
    330,272.34x = 88,449,552,815.15
  5. Step 5: Solve for x
    x = 88,449,552,815.15/330,272.34
  6. Step 6: Final answer
    x = 267,807.94

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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.