Home / 378,476.16-567,071.55-228,401.07

Finding the Fourth Proportional to 378,476.16, 567,071.55 and 228,401.07

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Solution

The fourth proportional to 378,476.16, 567,071.55 and 228,401.07 is: 342,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,476.16 : 567,071.55 = 228,401.07 : x
  2. Step 2: Convert to fraction form
    378,476.16/567,071.55 = 228,401.07/x
  3. Step 3: Cross multiply
    378,476.16x = 567,071.55 × 228,401.07
  4. Step 4: Simplify right side
    378,476.16x = 129,519,748,786.56
  5. Step 5: Solve for x
    x = 129,519,748,786.56/378,476.16
  6. Step 6: Final answer
    x = 342,213.76

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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.