Home / 303,727.32-455,267.25-228,615.21

Finding the Fourth Proportional to 303,727.32, 455,267.25 and 228,615.21

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Solution

The fourth proportional to 303,727.32, 455,267.25 and 228,615.21 is: 342,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,727.32 : 455,267.25 = 228,615.21 : x
  2. Step 2: Convert to fraction form
    303,727.32/455,267.25 = 228,615.21/x
  3. Step 3: Cross multiply
    303,727.32x = 455,267.25 × 228,615.21
  4. Step 4: Simplify right side
    303,727.32x = 104,081,017,964.87
  5. Step 5: Solve for x
    x = 104,081,017,964.87/303,727.32
  6. Step 6: Final answer
    x = 342,679.14

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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.