Home / 330,114.29-494,887.32-140,400.95

Finding the Fourth Proportional to 330,114.29, 494,887.32 and 140,400.95

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Solution

The fourth proportional to 330,114.29, 494,887.32 and 140,400.95 is: 210,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,114.29 : 494,887.32 = 140,400.95 : x
  2. Step 2: Convert to fraction form
    330,114.29/494,887.32 = 140,400.95/x
  3. Step 3: Cross multiply
    330,114.29x = 494,887.32 × 140,400.95
  4. Step 4: Simplify right side
    330,114.29x = 69,482,647,396.52
  5. Step 5: Solve for x
    x = 69,482,647,396.52/330,114.29
  6. Step 6: Final answer
    x = 210,480.58

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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.