Home / 320,357.06-442,101.96-177,126.32

Finding the Fourth Proportional to 320,357.06, 442,101.96 and 177,126.32

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Solution

The fourth proportional to 320,357.06, 442,101.96 and 177,126.32 is: 244,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,357.06 : 442,101.96 = 177,126.32 : x
  2. Step 2: Convert to fraction form
    320,357.06/442,101.96 = 177,126.32/x
  3. Step 3: Cross multiply
    320,357.06x = 442,101.96 × 177,126.32
  4. Step 4: Simplify right side
    320,357.06x = 78,307,893,239.59
  5. Step 5: Solve for x
    x = 78,307,893,239.59/320,357.06
  6. Step 6: Final answer
    x = 244,439.42

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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.