Home / 320,910.28-442,856.22-175,725.22

Finding the Fourth Proportional to 320,910.28, 442,856.22 and 175,725.22

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Solution

The fourth proportional to 320,910.28, 442,856.22 and 175,725.22 is: 242,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,910.28 : 442,856.22 = 175,725.22 : x
  2. Step 2: Convert to fraction form
    320,910.28/442,856.22 = 175,725.22/x
  3. Step 3: Cross multiply
    320,910.28x = 442,856.22 × 175,725.22
  4. Step 4: Simplify right side
    320,910.28x = 77,821,005,623.57
  5. Step 5: Solve for x
    x = 77,821,005,623.57/320,910.28
  6. Step 6: Final answer
    x = 242,500.82

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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.