Home / 384,759.33-530,951.27-212,668.35

Finding the Fourth Proportional to 384,759.33, 530,951.27 and 212,668.35

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Solution

The fourth proportional to 384,759.33, 530,951.27 and 212,668.35 is: 293,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,759.33 : 530,951.27 = 212,668.35 : x
  2. Step 2: Convert to fraction form
    384,759.33/530,951.27 = 212,668.35/x
  3. Step 3: Cross multiply
    384,759.33x = 530,951.27 × 212,668.35
  4. Step 4: Simplify right side
    384,759.33x = 112,916,530,521.31
  5. Step 5: Solve for x
    x = 112,916,530,521.31/384,759.33
  6. Step 6: Final answer
    x = 293,473.14

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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.