Home / 548,035.20-821,858.40-193,060.80

Finding the Fourth Proportional to 548,035.20, 821,858.40 and 193,060.80

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Solution

The fourth proportional to 548,035.20, 821,858.40 and 193,060.80 is: 289,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,035.20 : 821,858.40 = 193,060.80 : x
  2. Step 2: Convert to fraction form
    548,035.20/821,858.40 = 193,060.80/x
  3. Step 3: Cross multiply
    548,035.20x = 821,858.40 × 193,060.80
  4. Step 4: Simplify right side
    548,035.20x = 158,668,640,190.72
  5. Step 5: Solve for x
    x = 158,668,640,190.72/548,035.20
  6. Step 6: Final answer
    x = 289,522.72

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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.