Home / 370,531.80-511,334.37-200,765.79

Finding the Fourth Proportional to 370,531.80, 511,334.37 and 200,765.79

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Solution

The fourth proportional to 370,531.80, 511,334.37 and 200,765.79 is: 277,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,531.80 : 511,334.37 = 200,765.79 : x
  2. Step 2: Convert to fraction form
    370,531.80/511,334.37 = 200,765.79/x
  3. Step 3: Cross multiply
    370,531.80x = 511,334.37 × 200,765.79
  4. Step 4: Simplify right side
    370,531.80x = 102,658,448,747.20
  5. Step 5: Solve for x
    x = 102,658,448,747.20/370,531.80
  6. Step 6: Final answer
    x = 277,057.05

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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.