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Finding the Fourth Proportional to 582,245.72, 873,478.89 and 203,274.66

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Solution

The fourth proportional to 582,245.72, 873,478.89 and 203,274.66 is: 304,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,245.72 : 873,478.89 = 203,274.66 : x
  2. Step 2: Convert to fraction form
    582,245.72/873,478.89 = 203,274.66/x
  3. Step 3: Cross multiply
    582,245.72x = 873,478.89 × 203,274.66
  4. Step 4: Simplify right side
    582,245.72x = 177,556,127,657.47
  5. Step 5: Solve for x
    x = 177,556,127,657.47/582,245.72
  6. Step 6: Final answer
    x = 304,950.51

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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.