Home / 380,174.05-524,581.54-218,997.55

Finding the Fourth Proportional to 380,174.05, 524,581.54 and 218,997.55

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Solution

The fourth proportional to 380,174.05, 524,581.54 and 218,997.55 is: 302,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,174.05 : 524,581.54 = 218,997.55 : x
  2. Step 2: Convert to fraction form
    380,174.05/524,581.54 = 218,997.55/x
  3. Step 3: Cross multiply
    380,174.05x = 524,581.54 × 218,997.55
  4. Step 4: Simplify right side
    380,174.05x = 114,882,072,035.23
  5. Step 5: Solve for x
    x = 114,882,072,035.23/380,174.05
  6. Step 6: Final answer
    x = 302,182.83

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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.