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Finding the Fourth Proportional to 329,819.96, 455,152.42 and 178,916.96

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Solution

The fourth proportional to 329,819.96, 455,152.42 and 178,916.96 is: 246,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,819.96 : 455,152.42 = 178,916.96 : x
  2. Step 2: Convert to fraction form
    329,819.96/455,152.42 = 178,916.96/x
  3. Step 3: Cross multiply
    329,819.96x = 455,152.42 × 178,916.96
  4. Step 4: Simplify right side
    329,819.96x = 81,434,487,323.04
  5. Step 5: Solve for x
    x = 81,434,487,323.04/329,819.96
  6. Step 6: Final answer
    x = 246,905.88

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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.