Home / 381,223.26-526,088.62-211,457.39

Finding the Fourth Proportional to 381,223.26, 526,088.62 and 211,457.39

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Solution

The fourth proportional to 381,223.26, 526,088.62 and 211,457.39 is: 291,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,223.26 : 526,088.62 = 211,457.39 : x
  2. Step 2: Convert to fraction form
    381,223.26/526,088.62 = 211,457.39/x
  3. Step 3: Cross multiply
    381,223.26x = 526,088.62 × 211,457.39
  4. Step 4: Simplify right side
    381,223.26x = 111,245,324,127.78
  5. Step 5: Solve for x
    x = 111,245,324,127.78/381,223.26
  6. Step 6: Final answer
    x = 291,811.48

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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.