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Finding the Fourth Proportional to 330,084.83, 495,153.66 and 105,476.88

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Solution

The fourth proportional to 330,084.83, 495,153.66 and 105,476.88 is: 158,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,084.83 : 495,153.66 = 105,476.88 : x
  2. Step 2: Convert to fraction form
    330,084.83/495,153.66 = 105,476.88/x
  3. Step 3: Cross multiply
    330,084.83x = 495,153.66 × 105,476.88
  4. Step 4: Simplify right side
    330,084.83x = 52,227,263,177.38
  5. Step 5: Solve for x
    x = 52,227,263,177.38/330,084.83
  6. Step 6: Final answer
    x = 158,223.76

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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.