Home / 330,240.15-495,204.08-127,931.01

Finding the Fourth Proportional to 330,240.15, 495,204.08 and 127,931.01

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Solution

The fourth proportional to 330,240.15, 495,204.08 and 127,931.01 is: 191,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,240.15 : 495,204.08 = 127,931.01 : x
  2. Step 2: Convert to fraction form
    330,240.15/495,204.08 = 127,931.01/x
  3. Step 3: Cross multiply
    330,240.15x = 495,204.08 × 127,931.01
  4. Step 4: Simplify right side
    330,240.15x = 63,351,957,470.87
  5. Step 5: Solve for x
    x = 63,351,957,470.87/330,240.15
  6. Step 6: Final answer
    x = 191,836.02

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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.