Home / 381,401.46-526,332.33-211,635.18

Finding the Fourth Proportional to 381,401.46, 526,332.33 and 211,635.18

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Solution

The fourth proportional to 381,401.46, 526,332.33 and 211,635.18 is: 292,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,401.46 : 526,332.33 = 211,635.18 : x
  2. Step 2: Convert to fraction form
    381,401.46/526,332.33 = 211,635.18/x
  3. Step 3: Cross multiply
    381,401.46x = 526,332.33 × 211,635.18
  4. Step 4: Simplify right side
    381,401.46x = 111,390,437,399.37
  5. Step 5: Solve for x
    x = 111,390,437,399.37/381,401.46
  6. Step 6: Final answer
    x = 292,055.61

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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.