Home / 320,958.32-442,936.28-177,718.25

Finding the Fourth Proportional to 320,958.32, 442,936.28 and 177,718.25

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Solution

The fourth proportional to 320,958.32, 442,936.28 and 177,718.25 is: 245,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,958.32 : 442,936.28 = 177,718.25 : x
  2. Step 2: Convert to fraction form
    320,958.32/442,936.28 = 177,718.25/x
  3. Step 3: Cross multiply
    320,958.32x = 442,936.28 × 177,718.25
  4. Step 4: Simplify right side
    320,958.32x = 78,717,862,094.75
  5. Step 5: Solve for x
    x = 78,717,862,094.75/320,958.32
  6. Step 6: Final answer
    x = 245,258.83

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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.