Home / 275,389.13-380,035.96-154,530.14

Finding the Fourth Proportional to 275,389.13, 380,035.96 and 154,530.14

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Solution

The fourth proportional to 275,389.13, 380,035.96 and 154,530.14 is: 213,251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,389.13 : 380,035.96 = 154,530.14 : x
  2. Step 2: Convert to fraction form
    275,389.13/380,035.96 = 154,530.14/x
  3. Step 3: Cross multiply
    275,389.13x = 380,035.96 × 154,530.14
  4. Step 4: Simplify right side
    275,389.13x = 58,727,007,817.33
  5. Step 5: Solve for x
    x = 58,727,007,817.33/275,389.13
  6. Step 6: Final answer
    x = 213,251.00

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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.