Home / 548,186.56-821,727.80-228,515.40

Finding the Fourth Proportional to 548,186.56, 821,727.80 and 228,515.40

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Solution

The fourth proportional to 548,186.56, 821,727.80 and 228,515.40 is: 342,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,186.56 : 821,727.80 = 228,515.40 : x
  2. Step 2: Convert to fraction form
    548,186.56/821,727.80 = 228,515.40/x
  3. Step 3: Cross multiply
    548,186.56x = 821,727.80 × 228,515.40
  4. Step 4: Simplify right side
    548,186.56x = 187,777,456,908.12
  5. Step 5: Solve for x
    x = 187,777,456,908.12/548,186.56
  6. Step 6: Final answer
    x = 342,542.98

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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.