Home / 381,172.26-526,004.37-211,422.18

Finding the Fourth Proportional to 381,172.26, 526,004.37 and 211,422.18

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Solution

The fourth proportional to 381,172.26, 526,004.37 and 211,422.18 is: 291,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,172.26 : 526,004.37 = 211,422.18 : x
  2. Step 2: Convert to fraction form
    381,172.26/526,004.37 = 211,422.18/x
  3. Step 3: Cross multiply
    381,172.26x = 526,004.37 × 211,422.18
  4. Step 4: Simplify right side
    381,172.26x = 111,208,990,594.93
  5. Step 5: Solve for x
    x = 111,208,990,594.93/381,172.26
  6. Step 6: Final answer
    x = 291,755.20

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1.5x scale

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.