Home / 384,828.98-531,087.57-215,076.66

Finding the Fourth Proportional to 384,828.98, 531,087.57 and 215,076.66

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Solution

The fourth proportional to 384,828.98, 531,087.57 and 215,076.66 is: 296,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,828.98 : 531,087.57 = 215,076.66 : x
  2. Step 2: Convert to fraction form
    384,828.98/531,087.57 = 215,076.66/x
  3. Step 3: Cross multiply
    384,828.98x = 531,087.57 × 215,076.66
  4. Step 4: Simplify right side
    384,828.98x = 114,224,540,723.12
  5. Step 5: Solve for x
    x = 114,224,540,723.12/384,828.98
  6. Step 6: Final answer
    x = 296,818.97

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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.