Home / 330,240.27-495,204.28-127,931.14

Finding the Fourth Proportional to 330,240.27, 495,204.28 and 127,931.14

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Solution

The fourth proportional to 330,240.27, 495,204.28 and 127,931.14 is: 191,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,240.27 : 495,204.28 = 127,931.14 : x
  2. Step 2: Convert to fraction form
    330,240.27/495,204.28 = 127,931.14/x
  3. Step 3: Cross multiply
    330,240.27x = 495,204.28 × 127,931.14
  4. Step 4: Simplify right side
    330,240.27x = 63,352,047,699.31
  5. Step 5: Solve for x
    x = 63,352,047,699.31/330,240.27
  6. Step 6: Final answer
    x = 191,836.23

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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.