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Finding the Fourth Proportional to 525,273.07, 787,843.86 and 146,222.23

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Solution

The fourth proportional to 525,273.07, 787,843.86 and 146,222.23 is: 219,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,273.07 : 787,843.86 = 146,222.23 : x
  2. Step 2: Convert to fraction form
    525,273.07/787,843.86 = 146,222.23/x
  3. Step 3: Cross multiply
    525,273.07x = 787,843.86 × 146,222.23
  4. Step 4: Simplify right side
    525,273.07x = 115,200,286,101.01
  5. Step 5: Solve for x
    x = 115,200,286,101.01/525,273.07
  6. Step 6: Final answer
    x = 219,315.04

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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.