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Finding the Fourth Proportional to 208,265.00, 312,398.52 and 50,493.45

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Solution

The fourth proportional to 208,265.00, 312,398.52 and 50,493.45 is: 75,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,265.00 : 312,398.52 = 50,493.45 : x
  2. Step 2: Convert to fraction form
    208,265.00/312,398.52 = 50,493.45/x
  3. Step 3: Cross multiply
    208,265.00x = 312,398.52 × 50,493.45
  4. Step 4: Simplify right side
    208,265.00x = 15,774,079,049.69
  5. Step 5: Solve for x
    x = 15,774,079,049.69/208,265.00
  6. Step 6: Final answer
    x = 75,740.42

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1.5x scale

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.