Home / 272,273.53-408,356.45-258,771.18

Finding the Fourth Proportional to 272,273.53, 408,356.45 and 258,771.18

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Solution

The fourth proportional to 272,273.53, 408,356.45 and 258,771.18 is: 388,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,273.53 : 408,356.45 = 258,771.18 : x
  2. Step 2: Convert to fraction form
    272,273.53/408,356.45 = 258,771.18/x
  3. Step 3: Cross multiply
    272,273.53x = 408,356.45 × 258,771.18
  4. Step 4: Simplify right side
    272,273.53x = 105,670,883,090.57
  5. Step 5: Solve for x
    x = 105,670,883,090.57/272,273.53
  6. Step 6: Final answer
    x = 388,105.61

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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.