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Finding the Fourth Proportional to 518,522.58, 777,718.26 and 203,200.92

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Solution

The fourth proportional to 518,522.58, 777,718.26 and 203,200.92 is: 304,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,522.58 : 777,718.26 = 203,200.92 : x
  2. Step 2: Convert to fraction form
    518,522.58/777,718.26 = 203,200.92/x
  3. Step 3: Cross multiply
    518,522.58x = 777,718.26 × 203,200.92
  4. Step 4: Simplify right side
    518,522.58x = 158,033,065,932.80
  5. Step 5: Solve for x
    x = 158,033,065,932.80/518,522.58
  6. Step 6: Final answer
    x = 304,775.67

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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.