Home / 547,635.30-821,747.03-228,007.82

Finding the Fourth Proportional to 547,635.30, 821,747.03 and 228,007.82

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Solution

The fourth proportional to 547,635.30, 821,747.03 and 228,007.82 is: 342,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,635.30 : 821,747.03 = 228,007.82 : x
  2. Step 2: Convert to fraction form
    547,635.30/821,747.03 = 228,007.82/x
  3. Step 3: Cross multiply
    547,635.30x = 821,747.03 × 228,007.82
  4. Step 4: Simplify right side
    547,635.30x = 187,364,748,901.78
  5. Step 5: Solve for x
    x = 187,364,748,901.78/547,635.30
  6. Step 6: Final answer
    x = 342,134.17

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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.