Home / 525,201.57-787,736.75-146,150.73

Finding the Fourth Proportional to 525,201.57, 787,736.75 and 146,150.73

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Solution

The fourth proportional to 525,201.57, 787,736.75 and 146,150.73 is: 219,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,201.57 : 787,736.75 = 146,150.73 : x
  2. Step 2: Convert to fraction form
    525,201.57/787,736.75 = 146,150.73/x
  3. Step 3: Cross multiply
    525,201.57x = 787,736.75 × 146,150.73
  4. Step 4: Simplify right side
    525,201.57x = 115,128,300,329.57
  5. Step 5: Solve for x
    x = 115,128,300,329.57/525,201.57
  6. Step 6: Final answer
    x = 219,207.84

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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.