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Finding the Fourth Proportional to 291,247.88, 401,812.36 and 170,350.52

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Solution

The fourth proportional to 291,247.88, 401,812.36 and 170,350.52 is: 235,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,247.88 : 401,812.36 = 170,350.52 : x
  2. Step 2: Convert to fraction form
    291,247.88/401,812.36 = 170,350.52/x
  3. Step 3: Cross multiply
    291,247.88x = 401,812.36 × 170,350.52
  4. Step 4: Simplify right side
    291,247.88x = 68,448,944,468.43
  5. Step 5: Solve for x
    x = 68,448,944,468.43/291,247.88
  6. Step 6: Final answer
    x = 235,019.55

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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.