Home / 320,862.32-442,796.28-177,618.32

Finding the Fourth Proportional to 320,862.32, 442,796.28 and 177,618.32

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Solution

The fourth proportional to 320,862.32, 442,796.28 and 177,618.32 is: 245,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,862.32 : 442,796.28 = 177,618.32 : x
  2. Step 2: Convert to fraction form
    320,862.32/442,796.28 = 177,618.32/x
  3. Step 3: Cross multiply
    320,862.32x = 442,796.28 × 177,618.32
  4. Step 4: Simplify right side
    320,862.32x = 78,648,731,355.85
  5. Step 5: Solve for x
    x = 78,648,731,355.85/320,862.32
  6. Step 6: Final answer
    x = 245,116.76

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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.