Home / 320,335.98-442,072.87-177,105.25

Finding the Fourth Proportional to 320,335.98, 442,072.87 and 177,105.25

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Solution

The fourth proportional to 320,335.98, 442,072.87 and 177,105.25 is: 244,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,335.98 : 442,072.87 = 177,105.25 : x
  2. Step 2: Convert to fraction form
    320,335.98/442,072.87 = 177,105.25/x
  3. Step 3: Cross multiply
    320,335.98x = 442,072.87 × 177,105.25
  4. Step 4: Simplify right side
    320,335.98x = 78,293,426,159.57
  5. Step 5: Solve for x
    x = 78,293,426,159.57/320,335.98
  6. Step 6: Final answer
    x = 244,410.34

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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.