Home / 381,581.74-526,556.46-211,802.50

Finding the Fourth Proportional to 381,581.74, 526,556.46 and 211,802.50

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Solution

The fourth proportional to 381,581.74, 526,556.46 and 211,802.50 is: 292,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,581.74 : 526,556.46 = 211,802.50 : x
  2. Step 2: Convert to fraction form
    381,581.74/526,556.46 = 211,802.50/x
  3. Step 3: Cross multiply
    381,581.74x = 526,556.46 × 211,802.50
  4. Step 4: Simplify right side
    381,581.74x = 111,525,974,619.15
  5. Step 5: Solve for x
    x = 111,525,974,619.15/381,581.74
  6. Step 6: Final answer
    x = 292,272.83

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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.