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Finding the Fourth Proportional to 370,934.37, 511,883.37 and 209,783.37

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Solution

The fourth proportional to 370,934.37, 511,883.37 and 209,783.37 is: 289,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,934.37 : 511,883.37 = 209,783.37 : x
  2. Step 2: Convert to fraction form
    370,934.37/511,883.37 = 209,783.37/x
  3. Step 3: Cross multiply
    370,934.37x = 511,883.37 × 209,783.37
  4. Step 4: Simplify right side
    370,934.37x = 107,384,618,405.56
  5. Step 5: Solve for x
    x = 107,384,618,405.56/370,934.37
  6. Step 6: Final answer
    x = 289,497.62

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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.