Home / 344,976.60-517,464.90-212,116.35

Finding the Fourth Proportional to 344,976.60, 517,464.90 and 212,116.35

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Solution

The fourth proportional to 344,976.60, 517,464.90 and 212,116.35 is: 318,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,976.60 : 517,464.90 = 212,116.35 : x
  2. Step 2: Convert to fraction form
    344,976.60/517,464.90 = 212,116.35/x
  3. Step 3: Cross multiply
    344,976.60x = 517,464.90 × 212,116.35
  4. Step 4: Simplify right side
    344,976.60x = 109,762,765,841.12
  5. Step 5: Solve for x
    x = 109,762,765,841.12/344,976.60
  6. Step 6: Final answer
    x = 318,174.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.