Home / 329,824.89-455,159.23-178,921.89

Finding the Fourth Proportional to 329,824.89, 455,159.23 and 178,921.89

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Solution

The fourth proportional to 329,824.89, 455,159.23 and 178,921.89 is: 246,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,824.89 : 455,159.23 = 178,921.89 : x
  2. Step 2: Convert to fraction form
    329,824.89/455,159.23 = 178,921.89/x
  3. Step 3: Cross multiply
    329,824.89x = 455,159.23 × 178,921.89
  4. Step 4: Simplify right side
    329,824.89x = 81,437,948,787.94
  5. Step 5: Solve for x
    x = 81,437,948,787.94/329,824.89
  6. Step 6: Final answer
    x = 246,912.68

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1.5x scale

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.