Home / 302,878.20-453,825.23-252,686.55

Finding the Fourth Proportional to 302,878.20, 453,825.23 and 252,686.55

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Solution

The fourth proportional to 302,878.20, 453,825.23 and 252,686.55 is: 378,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,878.20 : 453,825.23 = 252,686.55 : x
  2. Step 2: Convert to fraction form
    302,878.20/453,825.23 = 252,686.55/x
  3. Step 3: Cross multiply
    302,878.20x = 453,825.23 × 252,686.55
  4. Step 4: Simplify right side
    302,878.20x = 114,675,530,408.22
  5. Step 5: Solve for x
    x = 114,675,530,408.22/302,878.20
  6. Step 6: Final answer
    x = 378,619.29

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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.