Home / 339,313.36-468,456.06-212,161.72

Finding the Fourth Proportional to 339,313.36, 468,456.06 and 212,161.72

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Solution

The fourth proportional to 339,313.36, 468,456.06 and 212,161.72 is: 292,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,313.36 : 468,456.06 = 212,161.72 : x
  2. Step 2: Convert to fraction form
    339,313.36/468,456.06 = 212,161.72/x
  3. Step 3: Cross multiply
    339,313.36x = 468,456.06 × 212,161.72
  4. Step 4: Simplify right side
    339,313.36x = 99,388,443,434.02
  5. Step 5: Solve for x
    x = 99,388,443,434.02/339,313.36
  6. Step 6: Final answer
    x = 292,910.49

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1.5x scale

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.