Home / 253,128.43-380,382.41-134,884.27

Finding the Fourth Proportional to 253,128.43, 380,382.41 and 134,884.27

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Solution

The fourth proportional to 253,128.43, 380,382.41 and 134,884.27 is: 202,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,128.43 : 380,382.41 = 134,884.27 : x
  2. Step 2: Convert to fraction form
    253,128.43/380,382.41 = 134,884.27/x
  3. Step 3: Cross multiply
    253,128.43x = 380,382.41 × 134,884.27
  4. Step 4: Simplify right side
    253,128.43x = 51,307,603,693.69
  5. Step 5: Solve for x
    x = 51,307,603,693.69/253,128.43
  6. Step 6: Final answer
    x = 202,693.96

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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.