Home / 278,928.91-384,924.44-151,604.81

Finding the Fourth Proportional to 278,928.91, 384,924.44 and 151,604.81

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Solution

The fourth proportional to 278,928.91, 384,924.44 and 151,604.81 is: 209,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,928.91 : 384,924.44 = 151,604.81 : x
  2. Step 2: Convert to fraction form
    278,928.91/384,924.44 = 151,604.81/x
  3. Step 3: Cross multiply
    278,928.91x = 384,924.44 × 151,604.81
  4. Step 4: Simplify right side
    278,928.91x = 58,356,396,488.41
  5. Step 5: Solve for x
    x = 58,356,396,488.41/278,928.91
  6. Step 6: Final answer
    x = 209,216.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.