Home / 384,604.03-530,742.39-212,519.26

Finding the Fourth Proportional to 384,604.03, 530,742.39 and 212,519.26

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Solution

The fourth proportional to 384,604.03, 530,742.39 and 212,519.26 is: 293,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,604.03 : 530,742.39 = 212,519.26 : x
  2. Step 2: Convert to fraction form
    384,604.03/530,742.39 = 212,519.26/x
  3. Step 3: Cross multiply
    384,604.03x = 530,742.39 × 212,519.26
  4. Step 4: Simplify right side
    384,604.03x = 112,792,979,973.43
  5. Step 5: Solve for x
    x = 112,792,979,973.43/384,604.03
  6. Step 6: Final answer
    x = 293,270.41

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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.