Home / 262,519.03-393,778.55-75,530.53

Finding the Fourth Proportional to 262,519.03, 393,778.55 and 75,530.53

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Solution

The fourth proportional to 262,519.03, 393,778.55 and 75,530.53 is: 113,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,519.03 : 393,778.55 = 75,530.53 : x
  2. Step 2: Convert to fraction form
    262,519.03/393,778.55 = 75,530.53/x
  3. Step 3: Cross multiply
    262,519.03x = 393,778.55 × 75,530.53
  4. Step 4: Simplify right side
    262,519.03x = 29,742,303,265.18
  5. Step 5: Solve for x
    x = 29,742,303,265.18/262,519.03
  6. Step 6: Final answer
    x = 113,295.80

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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.