Home / 380,856.10-571,286.19-114,614.80

Finding the Fourth Proportional to 380,856.10, 571,286.19 and 114,614.80

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Solution

The fourth proportional to 380,856.10, 571,286.19 and 114,614.80 is: 171,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,856.10 : 571,286.19 = 114,614.80 : x
  2. Step 2: Convert to fraction form
    380,856.10/571,286.19 = 114,614.80/x
  3. Step 3: Cross multiply
    380,856.10x = 571,286.19 × 114,614.80
  4. Step 4: Simplify right side
    380,856.10x = 65,477,852,409.61
  5. Step 5: Solve for x
    x = 65,477,852,409.61/380,856.10
  6. Step 6: Final answer
    x = 171,922.81

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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.