Home / 370,724.27-511,590.90-209,572.44

Finding the Fourth Proportional to 370,724.27, 511,590.90 and 209,572.44

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Solution

The fourth proportional to 370,724.27, 511,590.90 and 209,572.44 is: 289,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,724.27 : 511,590.90 = 209,572.44 : x
  2. Step 2: Convert to fraction form
    370,724.27/511,590.90 = 209,572.44/x
  3. Step 3: Cross multiply
    370,724.27x = 511,590.90 × 209,572.44
  4. Step 4: Simplify right side
    370,724.27x = 107,215,350,636.84
  5. Step 5: Solve for x
    x = 107,215,350,636.84/370,724.27
  6. Step 6: Final answer
    x = 289,205.11

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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.