Home / 305,928.55-422,134.50-169,960.33

Finding the Fourth Proportional to 305,928.55, 422,134.50 and 169,960.33

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Solution

The fourth proportional to 305,928.55, 422,134.50 and 169,960.33 is: 234,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,928.55 : 422,134.50 = 169,960.33 : x
  2. Step 2: Convert to fraction form
    305,928.55/422,134.50 = 169,960.33/x
  3. Step 3: Cross multiply
    305,928.55x = 422,134.50 × 169,960.33
  4. Step 4: Simplify right side
    305,928.55x = 71,746,118,924.39
  5. Step 5: Solve for x
    x = 71,746,118,924.39/305,928.55
  6. Step 6: Final answer
    x = 234,519.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.