Home / 372,156.06-513,564.39-211,025.82

Finding the Fourth Proportional to 372,156.06, 513,564.39 and 211,025.82

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Solution

The fourth proportional to 372,156.06, 513,564.39 and 211,025.82 is: 291,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,156.06 : 513,564.39 = 211,025.82 : x
  2. Step 2: Convert to fraction form
    372,156.06/513,564.39 = 211,025.82/x
  3. Step 3: Cross multiply
    372,156.06x = 513,564.39 × 211,025.82
  4. Step 4: Simplify right side
    372,156.06x = 108,375,346,522.55
  5. Step 5: Solve for x
    x = 108,375,346,522.55/372,156.06
  6. Step 6: Final answer
    x = 291,209.41

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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.