Home / 293,019.20-439,442.40-115,467.20

Finding the Fourth Proportional to 293,019.20, 439,442.40 and 115,467.20

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Solution

The fourth proportional to 293,019.20, 439,442.40 and 115,467.20 is: 173,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,019.20 : 439,442.40 = 115,467.20 : x
  2. Step 2: Convert to fraction form
    293,019.20/439,442.40 = 115,467.20/x
  3. Step 3: Cross multiply
    293,019.20x = 439,442.40 × 115,467.20
  4. Step 4: Simplify right side
    293,019.20x = 50,741,183,489.28
  5. Step 5: Solve for x
    x = 50,741,183,489.28/293,019.20
  6. Step 6: Final answer
    x = 173,166.75

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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.