Home / 546,228.85-819,350.87-209,286.57

Finding the Fourth Proportional to 546,228.85, 819,350.87 and 209,286.57

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Solution

The fourth proportional to 546,228.85, 819,350.87 and 209,286.57 is: 313,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,228.85 : 819,350.87 = 209,286.57 : x
  2. Step 2: Convert to fraction form
    546,228.85/819,350.87 = 209,286.57/x
  3. Step 3: Cross multiply
    546,228.85x = 819,350.87 × 209,286.57
  4. Step 4: Simplify right side
    546,228.85x = 171,479,133,208.82
  5. Step 5: Solve for x
    x = 171,479,133,208.82/546,228.85
  6. Step 6: Final answer
    x = 313,932.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.