Home / 545,721.63-818,542.49-171,851.55

Finding the Fourth Proportional to 545,721.63, 818,542.49 and 171,851.55

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Solution

The fourth proportional to 545,721.63, 818,542.49 and 171,851.55 is: 257,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,721.63 : 818,542.49 = 171,851.55 : x
  2. Step 2: Convert to fraction form
    545,721.63/818,542.49 = 171,851.55/x
  3. Step 3: Cross multiply
    545,721.63x = 818,542.49 × 171,851.55
  4. Step 4: Simplify right side
    545,721.63x = 140,667,794,788.10
  5. Step 5: Solve for x
    x = 140,667,794,788.10/545,721.63
  6. Step 6: Final answer
    x = 257,764.74

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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.