Home / 278,086.32-417,151.44-109,595.16

Finding the Fourth Proportional to 278,086.32, 417,151.44 and 109,595.16

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Solution

The fourth proportional to 278,086.32, 417,151.44 and 109,595.16 is: 164,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,086.32 : 417,151.44 = 109,595.16 : x
  2. Step 2: Convert to fraction form
    278,086.32/417,151.44 = 109,595.16/x
  3. Step 3: Cross multiply
    278,086.32x = 417,151.44 × 109,595.16
  4. Step 4: Simplify right side
    278,086.32x = 45,717,778,811.03
  5. Step 5: Solve for x
    x = 45,717,778,811.03/278,086.32
  6. Step 6: Final answer
    x = 164,401.39

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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.