Home / 291,963.03-402,947.64-171,151.80

Finding the Fourth Proportional to 291,963.03, 402,947.64 and 171,151.80

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Solution

The fourth proportional to 291,963.03, 402,947.64 and 171,151.80 is: 236,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,963.03 : 402,947.64 = 171,151.80 : x
  2. Step 2: Convert to fraction form
    291,963.03/402,947.64 = 171,151.80/x
  3. Step 3: Cross multiply
    291,963.03x = 402,947.64 × 171,151.80
  4. Step 4: Simplify right side
    291,963.03x = 68,965,213,891.75
  5. Step 5: Solve for x
    x = 68,965,213,891.75/291,963.03
  6. Step 6: Final answer
    x = 236,212.15

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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.