Home / 548,045.20-821,873.40-193,070.80

Finding the Fourth Proportional to 548,045.20, 821,873.40 and 193,070.80

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Solution

The fourth proportional to 548,045.20, 821,873.40 and 193,070.80 is: 289,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,045.20 : 821,873.40 = 193,070.80 : x
  2. Step 2: Convert to fraction form
    548,045.20/821,873.40 = 193,070.80/x
  3. Step 3: Cross multiply
    548,045.20x = 821,873.40 × 193,070.80
  4. Step 4: Simplify right side
    548,045.20x = 158,679,754,836.72
  5. Step 5: Solve for x
    x = 158,679,754,836.72/548,045.20
  6. Step 6: Final answer
    x = 289,537.71

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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.