Home / 384,933.92-531,187.26-212,841.92

Finding the Fourth Proportional to 384,933.92, 531,187.26 and 212,841.92

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Solution

The fourth proportional to 384,933.92, 531,187.26 and 212,841.92 is: 293,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,933.92 : 531,187.26 = 212,841.92 : x
  2. Step 2: Convert to fraction form
    384,933.92/531,187.26 = 212,841.92/x
  3. Step 3: Cross multiply
    384,933.92x = 531,187.26 × 212,841.92
  4. Step 4: Simplify right side
    384,933.92x = 113,058,916,297.94
  5. Step 5: Solve for x
    x = 113,058,916,297.94/384,933.92
  6. Step 6: Final answer
    x = 293,709.93

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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.