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Finding the Fourth Proportional to 330,176.88, 495,265.86 and 105,555.42

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Solution

The fourth proportional to 330,176.88, 495,265.86 and 105,555.42 is: 158,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,176.88 : 495,265.86 = 105,555.42 : x
  2. Step 2: Convert to fraction form
    330,176.88/495,265.86 = 105,555.42/x
  3. Step 3: Cross multiply
    330,176.88x = 495,265.86 × 105,555.42
  4. Step 4: Simplify right side
    330,176.88x = 52,277,995,863.96
  5. Step 5: Solve for x
    x = 52,277,995,863.96/330,176.88
  6. Step 6: Final answer
    x = 158,333.30

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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.