Home / 381,373.13-526,256.60-228,407.41

Finding the Fourth Proportional to 381,373.13, 526,256.60 and 228,407.41

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Solution

The fourth proportional to 381,373.13, 526,256.60 and 228,407.41 is: 315,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,373.13 : 526,256.60 = 228,407.41 : x
  2. Step 2: Convert to fraction form
    381,373.13/526,256.60 = 228,407.41/x
  3. Step 3: Cross multiply
    381,373.13x = 526,256.60 × 228,407.41
  4. Step 4: Simplify right side
    381,373.13x = 120,200,904,941.14
  5. Step 5: Solve for x
    x = 120,200,904,941.14/381,373.13
  6. Step 6: Final answer
    x = 315,179.27

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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.