Home / 350,542.20-526,202.10-272,004.60

Finding the Fourth Proportional to 350,542.20, 526,202.10 and 272,004.60

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Solution

The fourth proportional to 350,542.20, 526,202.10 and 272,004.60 is: 408,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,542.20 : 526,202.10 = 272,004.60 : x
  2. Step 2: Convert to fraction form
    350,542.20/526,202.10 = 272,004.60/x
  3. Step 3: Cross multiply
    350,542.20x = 526,202.10 × 272,004.60
  4. Step 4: Simplify right side
    350,542.20x = 143,129,391,729.66
  5. Step 5: Solve for x
    x = 143,129,391,729.66/350,542.20
  6. Step 6: Final answer
    x = 408,308.59

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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.