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Finding the Fourth Proportional to 582,143.68, 873,326.52 and 203,172.66

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Solution

The fourth proportional to 582,143.68, 873,326.52 and 203,172.66 is: 304,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,143.68 : 873,326.52 = 203,172.66 : x
  2. Step 2: Convert to fraction form
    582,143.68/873,326.52 = 203,172.66/x
  3. Step 3: Cross multiply
    582,143.68x = 873,326.52 × 203,172.66
  4. Step 4: Simplify right side
    582,143.68x = 177,436,072,116.94
  5. Step 5: Solve for x
    x = 177,436,072,116.94/582,143.68
  6. Step 6: Final answer
    x = 304,797.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.