Home / 371,389.38-557,477.67-231,246.66

Finding the Fourth Proportional to 371,389.38, 557,477.67 and 231,246.66

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Solution

The fourth proportional to 371,389.38, 557,477.67 and 231,246.66 is: 347,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,389.38 : 557,477.67 = 231,246.66 : x
  2. Step 2: Convert to fraction form
    371,389.38/557,477.67 = 231,246.66/x
  3. Step 3: Cross multiply
    371,389.38x = 557,477.67 × 231,246.66
  4. Step 4: Simplify right side
    371,389.38x = 128,914,849,212.08
  5. Step 5: Solve for x
    x = 128,914,849,212.08/371,389.38
  6. Step 6: Final answer
    x = 347,115.07

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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.