Home / 370,984.50-511,958.66-209,836.08

Finding the Fourth Proportional to 370,984.50, 511,958.66 and 209,836.08

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Solution

The fourth proportional to 370,984.50, 511,958.66 and 209,836.08 is: 289,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,984.50 : 511,958.66 = 209,836.08 : x
  2. Step 2: Convert to fraction form
    370,984.50/511,958.66 = 209,836.08/x
  3. Step 3: Cross multiply
    370,984.50x = 511,958.66 × 209,836.08
  4. Step 4: Simplify right side
    370,984.50x = 107,427,397,287.27
  5. Step 5: Solve for x
    x = 107,427,397,287.27/370,984.50
  6. Step 6: Final answer
    x = 289,573.82

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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.