Home / 291,839.36-402,764.70-177,147.20

Finding the Fourth Proportional to 291,839.36, 402,764.70 and 177,147.20

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Solution

The fourth proportional to 291,839.36, 402,764.70 and 177,147.20 is: 244,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,839.36 : 402,764.70 = 177,147.20 : x
  2. Step 2: Convert to fraction form
    291,839.36/402,764.70 = 177,147.20/x
  3. Step 3: Cross multiply
    291,839.36x = 402,764.70 × 177,147.20
  4. Step 4: Simplify right side
    291,839.36x = 71,348,640,535.05
  5. Step 5: Solve for x
    x = 71,348,640,535.05/291,839.36
  6. Step 6: Final answer
    x = 244,479.16

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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.