Home / 381,831.14-526,896.06-220,696.58

Finding the Fourth Proportional to 381,831.14, 526,896.06 and 220,696.58

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Solution

The fourth proportional to 381,831.14, 526,896.06 and 220,696.58 is: 304,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,831.14 : 526,896.06 = 220,696.58 : x
  2. Step 2: Convert to fraction form
    381,831.14/526,896.06 = 220,696.58/x
  3. Step 3: Cross multiply
    381,831.14x = 526,896.06 × 220,696.58
  4. Step 4: Simplify right side
    381,831.14x = 116,284,158,457.48
  5. Step 5: Solve for x
    x = 116,284,158,457.48/381,831.14
  6. Step 6: Final answer
    x = 304,543.41

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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.