Home / 485,134.29-727,655.13-228,907.26

Finding the Fourth Proportional to 485,134.29, 727,655.13 and 228,907.26

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Solution

The fourth proportional to 485,134.29, 727,655.13 and 228,907.26 is: 343,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,134.29 : 727,655.13 = 228,907.26 : x
  2. Step 2: Convert to fraction form
    485,134.29/727,655.13 = 228,907.26/x
  3. Step 3: Cross multiply
    485,134.29x = 727,655.13 × 228,907.26
  4. Step 4: Simplify right side
    485,134.29x = 166,565,542,033.24
  5. Step 5: Solve for x
    x = 166,565,542,033.24/485,134.29
  6. Step 6: Final answer
    x = 343,339.04

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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.