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Finding the Fourth Proportional to 330,105.74, 495,158.61 and 180,264.29

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Solution

The fourth proportional to 330,105.74, 495,158.61 and 180,264.29 is: 270,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,105.74 : 495,158.61 = 180,264.29 : x
  2. Step 2: Convert to fraction form
    330,105.74/495,158.61 = 180,264.29/x
  3. Step 3: Cross multiply
    330,105.74x = 495,158.61 × 180,264.29
  4. Step 4: Simplify right side
    330,105.74x = 89,259,415,269.04
  5. Step 5: Solve for x
    x = 89,259,415,269.04/330,105.74
  6. Step 6: Final answer
    x = 270,396.44

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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.