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Finding the Fourth Proportional to 329,024.91, 454,054.53 and 178,121.91

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Solution

The fourth proportional to 329,024.91, 454,054.53 and 178,121.91 is: 245,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,024.91 : 454,054.53 = 178,121.91 : x
  2. Step 2: Convert to fraction form
    329,024.91/454,054.53 = 178,121.91/x
  3. Step 3: Cross multiply
    329,024.91x = 454,054.53 × 178,121.91
  4. Step 4: Simplify right side
    329,024.91x = 80,877,060,127.75
  5. Step 5: Solve for x
    x = 80,877,060,127.75/329,024.91
  6. Step 6: Final answer
    x = 245,808.32

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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.