Home / 330,164.20-495,246.30-307,856.80

Finding the Fourth Proportional to 330,164.20, 495,246.30 and 307,856.80

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Solution

The fourth proportional to 330,164.20, 495,246.30 and 307,856.80 is: 461,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,164.20 : 495,246.30 = 307,856.80 : x
  2. Step 2: Convert to fraction form
    330,164.20/495,246.30 = 307,856.80/x
  3. Step 3: Cross multiply
    330,164.20x = 495,246.30 × 307,856.80
  4. Step 4: Simplify right side
    330,164.20x = 152,464,941,129.84
  5. Step 5: Solve for x
    x = 152,464,941,129.84/330,164.20
  6. Step 6: Final answer
    x = 461,785.20

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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.