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Finding the Fourth Proportional to 342,253.08, 512,825.58 and 208,729.44

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Solution

The fourth proportional to 342,253.08, 512,825.58 and 208,729.44 is: 312,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,253.08 : 512,825.58 = 208,729.44 : x
  2. Step 2: Convert to fraction form
    342,253.08/512,825.58 = 208,729.44/x
  3. Step 3: Cross multiply
    342,253.08x = 512,825.58 × 208,729.44
  4. Step 4: Simplify right side
    342,253.08x = 107,041,796,131.08
  5. Step 5: Solve for x
    x = 107,041,796,131.08/342,253.08
  6. Step 6: Final answer
    x = 312,756.27

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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.