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Finding the Fourth Proportional to 329,937.24, 455,314.64 and 179,034.24

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Solution

The fourth proportional to 329,937.24, 455,314.64 and 179,034.24 is: 247,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,937.24 : 455,314.64 = 179,034.24 : x
  2. Step 2: Convert to fraction form
    329,937.24/455,314.64 = 179,034.24/x
  3. Step 3: Cross multiply
    329,937.24x = 455,314.64 × 179,034.24
  4. Step 4: Simplify right side
    329,937.24x = 81,516,910,533.27
  5. Step 5: Solve for x
    x = 81,516,910,533.27/329,937.24
  6. Step 6: Final answer
    x = 247,067.93

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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.