Home / 271,788.35-407,590.25-103,268.18

Finding the Fourth Proportional to 271,788.35, 407,590.25 and 103,268.18

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Solution

The fourth proportional to 271,788.35, 407,590.25 and 103,268.18 is: 154,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,788.35 : 407,590.25 = 103,268.18 : x
  2. Step 2: Convert to fraction form
    271,788.35/407,590.25 = 103,268.18/x
  3. Step 3: Cross multiply
    271,788.35x = 407,590.25 × 103,268.18
  4. Step 4: Simplify right side
    271,788.35x = 42,091,103,805.88
  5. Step 5: Solve for x
    x = 42,091,103,805.88/271,788.35
  6. Step 6: Final answer
    x = 154,867.21

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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.