Home / 384,795.18-531,013.41-215,029.29

Finding the Fourth Proportional to 384,795.18, 531,013.41 and 215,029.29

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Solution

The fourth proportional to 384,795.18, 531,013.41 and 215,029.29 is: 296,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,795.18 : 531,013.41 = 215,029.29 : x
  2. Step 2: Convert to fraction form
    384,795.18/531,013.41 = 215,029.29/x
  3. Step 3: Cross multiply
    384,795.18x = 531,013.41 × 215,029.29
  4. Step 4: Simplify right side
    384,795.18x = 114,183,436,532.78
  5. Step 5: Solve for x
    x = 114,183,436,532.78/384,795.18
  6. Step 6: Final answer
    x = 296,738.22

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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.