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Finding the Fourth Proportional to 557,553.84, 836,034.30 and 220,580.88

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Solution

The fourth proportional to 557,553.84, 836,034.30 and 220,580.88 is: 330,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,553.84 : 836,034.30 = 220,580.88 : x
  2. Step 2: Convert to fraction form
    557,553.84/836,034.30 = 220,580.88/x
  3. Step 3: Cross multiply
    557,553.84x = 836,034.30 × 220,580.88
  4. Step 4: Simplify right side
    557,553.84x = 184,413,181,604.18
  5. Step 5: Solve for x
    x = 184,413,181,604.18/557,553.84
  6. Step 6: Final answer
    x = 330,754.03

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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.