Home / 273,942.19-378,280.70-172,144.02

Finding the Fourth Proportional to 273,942.19, 378,280.70 and 172,144.02

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Solution

The fourth proportional to 273,942.19, 378,280.70 and 172,144.02 is: 237,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,942.19 : 378,280.70 = 172,144.02 : x
  2. Step 2: Convert to fraction form
    273,942.19/378,280.70 = 172,144.02/x
  3. Step 3: Cross multiply
    273,942.19x = 378,280.70 × 172,144.02
  4. Step 4: Simplify right side
    273,942.19x = 65,118,760,386.41
  5. Step 5: Solve for x
    x = 65,118,760,386.41/273,942.19
  6. Step 6: Final answer
    x = 237,709.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.