Home / 389,963.70-584,945.55-222,002.10

Finding the Fourth Proportional to 389,963.70, 584,945.55 and 222,002.10

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Solution

The fourth proportional to 389,963.70, 584,945.55 and 222,002.10 is: 333,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,963.70 : 584,945.55 = 222,002.10 : x
  2. Step 2: Convert to fraction form
    389,963.70/584,945.55 = 222,002.10/x
  3. Step 3: Cross multiply
    389,963.70x = 584,945.55 × 222,002.10
  4. Step 4: Simplify right side
    389,963.70x = 129,859,140,485.66
  5. Step 5: Solve for x
    x = 129,859,140,485.66/389,963.70
  6. Step 6: Final answer
    x = 333,003.15

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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.