Home / 341,917.38-512,417.62-266,107.48

Finding the Fourth Proportional to 341,917.38, 512,417.62 and 266,107.48

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Solution

The fourth proportional to 341,917.38, 512,417.62 and 266,107.48 is: 398,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,917.38 : 512,417.62 = 266,107.48 : x
  2. Step 2: Convert to fraction form
    341,917.38/512,417.62 = 266,107.48/x
  3. Step 3: Cross multiply
    341,917.38x = 512,417.62 × 266,107.48
  4. Step 4: Simplify right side
    341,917.38x = 136,358,159,868.96
  5. Step 5: Solve for x
    x = 136,358,159,868.96/341,917.38
  6. Step 6: Final answer
    x = 398,804.42

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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.