Home / 329,834.64-455,172.96-178,932.72

Finding the Fourth Proportional to 329,834.64, 455,172.96 and 178,932.72

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Solution

The fourth proportional to 329,834.64, 455,172.96 and 178,932.72 is: 246,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,834.64 : 455,172.96 = 178,932.72 : x
  2. Step 2: Convert to fraction form
    329,834.64/455,172.96 = 178,932.72/x
  3. Step 3: Cross multiply
    329,834.64x = 455,172.96 × 178,932.72
  4. Step 4: Simplify right side
    329,834.64x = 81,445,335,803.25
  5. Step 5: Solve for x
    x = 81,445,335,803.25/329,834.64
  6. Step 6: Final answer
    x = 246,927.78

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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.