Home / 303,200.10-455,128.20-170,339.85

Finding the Fourth Proportional to 303,200.10, 455,128.20 and 170,339.85

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Solution

The fourth proportional to 303,200.10, 455,128.20 and 170,339.85 is: 255,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200.10 : 455,128.20 = 170,339.85 : x
  2. Step 2: Convert to fraction form
    303,200.10/455,128.20 = 170,339.85/x
  3. Step 3: Cross multiply
    303,200.10x = 455,128.20 × 170,339.85
  4. Step 4: Simplify right side
    303,200.10x = 77,526,469,318.77
  5. Step 5: Solve for x
    x = 77,526,469,318.77/303,200.10
  6. Step 6: Final answer
    x = 255,694.08

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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.