Home / 260,153.50-390,221.32-110,297.29

Finding the Fourth Proportional to 260,153.50, 390,221.32 and 110,297.29

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Solution

The fourth proportional to 260,153.50, 390,221.32 and 110,297.29 is: 165,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,153.50 : 390,221.32 = 110,297.29 : x
  2. Step 2: Convert to fraction form
    260,153.50/390,221.32 = 110,297.29/x
  3. Step 3: Cross multiply
    260,153.50x = 390,221.32 × 110,297.29
  4. Step 4: Simplify right side
    260,153.50x = 43,040,354,096.22
  5. Step 5: Solve for x
    x = 43,040,354,096.22/260,153.50
  6. Step 6: Final answer
    x = 165,442.15

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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.