Home / 362,138.30-543,207.45-227,419.10

Finding the Fourth Proportional to 362,138.30, 543,207.45 and 227,419.10

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Solution

The fourth proportional to 362,138.30, 543,207.45 and 227,419.10 is: 341,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,138.30 : 543,207.45 = 227,419.10 : x
  2. Step 2: Convert to fraction form
    362,138.30/543,207.45 = 227,419.10/x
  3. Step 3: Cross multiply
    362,138.30x = 543,207.45 × 227,419.10
  4. Step 4: Simplify right side
    362,138.30x = 123,535,749,392.30
  5. Step 5: Solve for x
    x = 123,535,749,392.30/362,138.30
  6. Step 6: Final answer
    x = 341,128.65

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1.5x scale

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.