Home / 370,849.58-511,837.97-217,887.72

Finding the Fourth Proportional to 370,849.58, 511,837.97 and 217,887.72

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Solution

The fourth proportional to 370,849.58, 511,837.97 and 217,887.72 is: 300,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,849.58 : 511,837.97 = 217,887.72 : x
  2. Step 2: Convert to fraction form
    370,849.58/511,837.97 = 217,887.72/x
  3. Step 3: Cross multiply
    370,849.58x = 511,837.97 × 217,887.72
  4. Step 4: Simplify right side
    370,849.58x = 111,523,208,292.73
  5. Step 5: Solve for x
    x = 111,523,208,292.73/370,849.58
  6. Step 6: Final answer
    x = 300,723.57

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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.