Home / 260,223.68-390,446.24-110,496.20

Finding the Fourth Proportional to 260,223.68, 390,446.24 and 110,496.20

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Solution

The fourth proportional to 260,223.68, 390,446.24 and 110,496.20 is: 165,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,223.68 : 390,446.24 = 110,496.20 : x
  2. Step 2: Convert to fraction form
    260,223.68/390,446.24 = 110,496.20/x
  3. Step 3: Cross multiply
    260,223.68x = 390,446.24 × 110,496.20
  4. Step 4: Simplify right side
    260,223.68x = 43,142,823,319.58
  5. Step 5: Solve for x
    x = 43,142,823,319.58/260,223.68
  6. Step 6: Final answer
    x = 165,791.30

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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.