Home / 525,273.57-787,844.61-146,222.73

Finding the Fourth Proportional to 525,273.57, 787,844.61 and 146,222.73

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Solution

The fourth proportional to 525,273.57, 787,844.61 and 146,222.73 is: 219,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,273.57 : 787,844.61 = 146,222.73 : x
  2. Step 2: Convert to fraction form
    525,273.57/787,844.61 = 146,222.73/x
  3. Step 3: Cross multiply
    525,273.57x = 787,844.61 × 146,222.73
  4. Step 4: Simplify right side
    525,273.57x = 115,200,789,689.99
  5. Step 5: Solve for x
    x = 115,200,789,689.99/525,273.57
  6. Step 6: Final answer
    x = 219,315.79

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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.