Home / 262,520.29-393,780.42-75,531.79

Finding the Fourth Proportional to 262,520.29, 393,780.42 and 75,531.79

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Solution

The fourth proportional to 262,520.29, 393,780.42 and 75,531.79 is: 113,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,520.29 : 393,780.42 = 75,531.79 : x
  2. Step 2: Convert to fraction form
    262,520.29/393,780.42 = 75,531.79/x
  3. Step 3: Cross multiply
    262,520.29x = 393,780.42 × 75,531.79
  4. Step 4: Simplify right side
    262,520.29x = 29,742,939,989.55
  5. Step 5: Solve for x
    x = 29,742,939,989.55/262,520.29
  6. Step 6: Final answer
    x = 113,297.68

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1.5x scale

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.