Home / 344,149.37-516,552.40-211,289.12

Finding the Fourth Proportional to 344,149.37, 516,552.40 and 211,289.12

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Solution

The fourth proportional to 344,149.37, 516,552.40 and 211,289.12 is: 317,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,149.37 : 516,552.40 = 211,289.12 : x
  2. Step 2: Convert to fraction form
    344,149.37/516,552.40 = 211,289.12/x
  3. Step 3: Cross multiply
    344,149.37x = 516,552.40 × 211,289.12
  4. Step 4: Simplify right side
    344,149.37x = 109,141,902,029.89
  5. Step 5: Solve for x
    x = 109,141,902,029.89/344,149.37
  6. Step 6: Final answer
    x = 317,135.27

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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.