Home / 291,945.20-402,884.69-171,062.42

Finding the Fourth Proportional to 291,945.20, 402,884.69 and 171,062.42

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Solution

The fourth proportional to 291,945.20, 402,884.69 and 171,062.42 is: 236,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,945.20 : 402,884.69 = 171,062.42 : x
  2. Step 2: Convert to fraction form
    291,945.20/402,884.69 = 171,062.42/x
  3. Step 3: Cross multiply
    291,945.20x = 402,884.69 × 171,062.42
  4. Step 4: Simplify right side
    291,945.20x = 68,918,427,182.61
  5. Step 5: Solve for x
    x = 68,918,427,182.61/291,945.20
  6. Step 6: Final answer
    x = 236,066.32

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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.