Home / 384,838.06-531,092.92-215,072.18

Finding the Fourth Proportional to 384,838.06, 531,092.92 and 215,072.18

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Solution

The fourth proportional to 384,838.06, 531,092.92 and 215,072.18 is: 296,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,838.06 : 531,092.92 = 215,072.18 : x
  2. Step 2: Convert to fraction form
    384,838.06/531,092.92 = 215,072.18/x
  3. Step 3: Cross multiply
    384,838.06x = 531,092.92 × 215,072.18
  4. Step 4: Simplify right side
    384,838.06x = 114,223,312,086.97
  5. Step 5: Solve for x
    x = 114,223,312,086.97/384,838.06
  6. Step 6: Final answer
    x = 296,808.77

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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.