Home / 320,543.49-442,322.46-177,267.87

Finding the Fourth Proportional to 320,543.49, 442,322.46 and 177,267.87

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Solution

The fourth proportional to 320,543.49, 442,322.46 and 177,267.87 is: 244,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,543.49 : 442,322.46 = 177,267.87 : x
  2. Step 2: Convert to fraction form
    320,543.49/442,322.46 = 177,267.87/x
  3. Step 3: Cross multiply
    320,543.49x = 442,322.46 × 177,267.87
  4. Step 4: Simplify right side
    320,543.49x = 78,409,560,337.36
  5. Step 5: Solve for x
    x = 78,409,560,337.36/320,543.49
  6. Step 6: Final answer
    x = 244,614.42

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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.