Home / 379,082.07-523,154.61-207,016.05

Finding the Fourth Proportional to 379,082.07, 523,154.61 and 207,016.05

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Solution

The fourth proportional to 379,082.07, 523,154.61 and 207,016.05 is: 285,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,082.07 : 523,154.61 = 207,016.05 : x
  2. Step 2: Convert to fraction form
    379,082.07/523,154.61 = 207,016.05/x
  3. Step 3: Cross multiply
    379,082.07x = 523,154.61 × 207,016.05
  4. Step 4: Simplify right side
    379,082.07x = 108,301,400,901.49
  5. Step 5: Solve for x
    x = 108,301,400,901.49/379,082.07
  6. Step 6: Final answer
    x = 285,693.81

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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.