Home / 384,072.23-530,016.82-211,990.16

Finding the Fourth Proportional to 384,072.23, 530,016.82 and 211,990.16

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Solution

The fourth proportional to 384,072.23, 530,016.82 and 211,990.16 is: 292,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,072.23 : 530,016.82 = 211,990.16 : x
  2. Step 2: Convert to fraction form
    384,072.23/530,016.82 = 211,990.16/x
  3. Step 3: Cross multiply
    384,072.23x = 530,016.82 × 211,990.16
  4. Step 4: Simplify right side
    384,072.23x = 112,358,351,269.56
  5. Step 5: Solve for x
    x = 112,358,351,269.56/384,072.23
  6. Step 6: Final answer
    x = 292,544.84

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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.