Home / 330,240.73-495,204.96-127,931.60

Finding the Fourth Proportional to 330,240.73, 495,204.96 and 127,931.60

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Solution

The fourth proportional to 330,240.73, 495,204.96 and 127,931.60 is: 191,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,240.73 : 495,204.96 = 127,931.60 : x
  2. Step 2: Convert to fraction form
    330,240.73/495,204.96 = 127,931.60/x
  3. Step 3: Cross multiply
    330,240.73x = 495,204.96 × 127,931.60
  4. Step 4: Simplify right side
    330,240.73x = 63,352,359,904.97
  5. Step 5: Solve for x
    x = 63,352,359,904.97/330,240.73
  6. Step 6: Final answer
    x = 191,836.91

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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.