Home / 305,824.92-422,023.80-169,867.56

Finding the Fourth Proportional to 305,824.92, 422,023.80 and 169,867.56

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Solution

The fourth proportional to 305,824.92, 422,023.80 and 169,867.56 is: 234,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,824.92 : 422,023.80 = 169,867.56 : x
  2. Step 2: Convert to fraction form
    305,824.92/422,023.80 = 169,867.56/x
  3. Step 3: Cross multiply
    305,824.92x = 422,023.80 × 169,867.56
  4. Step 4: Simplify right side
    305,824.92x = 71,688,153,167.93
  5. Step 5: Solve for x
    x = 71,688,153,167.93/305,824.92
  6. Step 6: Final answer
    x = 234,409.13

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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.