Home / 843,149.54-1,264,712.61-203,447.94

Finding the Fourth Proportional to 843,149.54, 1,264,712.61 and 203,447.94

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Solution

The fourth proportional to 843,149.54, 1,264,712.61 and 203,447.94 is: 305,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,149.54 : 1,264,712.61 = 203,447.94 : x
  2. Step 2: Convert to fraction form
    843,149.54/1,264,712.61 = 203,447.94/x
  3. Step 3: Cross multiply
    843,149.54x = 1,264,712.61 × 203,447.94
  4. Step 4: Simplify right side
    843,149.54x = 257,303,171,216.78
  5. Step 5: Solve for x
    x = 257,303,171,216.78/843,149.54
  6. Step 6: Final answer
    x = 305,169.08

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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.