Home / 370,363.16-511,098.78-209,270.36

Finding the Fourth Proportional to 370,363.16, 511,098.78 and 209,270.36

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Solution

The fourth proportional to 370,363.16, 511,098.78 and 209,270.36 is: 288,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,363.16 : 511,098.78 = 209,270.36 : x
  2. Step 2: Convert to fraction form
    370,363.16/511,098.78 = 209,270.36/x
  3. Step 3: Cross multiply
    370,363.16x = 511,098.78 × 209,270.36
  4. Step 4: Simplify right side
    370,363.16x = 106,957,825,686.16
  5. Step 5: Solve for x
    x = 106,957,825,686.16/370,363.16
  6. Step 6: Final answer
    x = 288,791.75

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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.