Home / 320,338.76-442,048.48-177,090.26

Finding the Fourth Proportional to 320,338.76, 442,048.48 and 177,090.26

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Solution

The fourth proportional to 320,338.76, 442,048.48 and 177,090.26 is: 244,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,338.76 : 442,048.48 = 177,090.26 : x
  2. Step 2: Convert to fraction form
    320,338.76/442,048.48 = 177,090.26/x
  3. Step 3: Cross multiply
    320,338.76x = 442,048.48 × 177,090.26
  4. Step 4: Simplify right side
    320,338.76x = 78,282,480,255.80
  5. Step 5: Solve for x
    x = 78,282,480,255.80/320,338.76
  6. Step 6: Final answer
    x = 244,374.05

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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.