Home / 320,647.04-442,505.96-177,404.76

Finding the Fourth Proportional to 320,647.04, 442,505.96 and 177,404.76

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Solution

The fourth proportional to 320,647.04, 442,505.96 and 177,404.76 is: 244,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,647.04 : 442,505.96 = 177,404.76 : x
  2. Step 2: Convert to fraction form
    320,647.04/442,505.96 = 177,404.76/x
  3. Step 3: Cross multiply
    320,647.04x = 442,505.96 × 177,404.76
  4. Step 4: Simplify right side
    320,647.04x = 78,502,663,632.37
  5. Step 5: Solve for x
    x = 78,502,663,632.37/320,647.04
  6. Step 6: Final answer
    x = 244,825.79

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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.