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Finding the Fourth Proportional to 384,550.58, 530,676.68 and 212,468

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Solution

The fourth proportional to 384,550.58, 530,676.68 and 212,468 is: 293,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,550.58 : 530,676.68 = 212,468 : x
  2. Step 2: Convert to fraction form
    384,550.58/530,676.68 = 212,468/x
  3. Step 3: Cross multiply
    384,550.58x = 530,676.68 × 212,468
  4. Step 4: Simplify right side
    384,550.58x = 112,751,812,846.24
  5. Step 5: Solve for x
    x = 112,751,812,846.24/384,550.58
  6. Step 6: Final answer
    x = 293,204.12

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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.