Home / 275,389.27-380,160.47-168,002.10

Finding the Fourth Proportional to 275,389.27, 380,160.47 and 168,002.10

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Solution

The fourth proportional to 275,389.27, 380,160.47 and 168,002.10 is: 231,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,389.27 : 380,160.47 = 168,002.10 : x
  2. Step 2: Convert to fraction form
    275,389.27/380,160.47 = 168,002.10/x
  3. Step 3: Cross multiply
    275,389.27x = 380,160.47 × 168,002.10
  4. Step 4: Simplify right side
    275,389.27x = 63,867,757,716.99
  5. Step 5: Solve for x
    x = 63,867,757,716.99/275,389.27
  6. Step 6: Final answer
    x = 231,918.11

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1.5x scale

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.