Home / 398,927.83-550,517.74-226,845.81

Finding the Fourth Proportional to 398,927.83, 550,517.74 and 226,845.81

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Solution

The fourth proportional to 398,927.83, 550,517.74 and 226,845.81 is: 313,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,927.83 : 550,517.74 = 226,845.81 : x
  2. Step 2: Convert to fraction form
    398,927.83/550,517.74 = 226,845.81/x
  3. Step 3: Cross multiply
    398,927.83x = 550,517.74 × 226,845.81
  4. Step 4: Simplify right side
    398,927.83x = 124,882,642,649.67
  5. Step 5: Solve for x
    x = 124,882,642,649.67/398,927.83
  6. Step 6: Final answer
    x = 313,045.70

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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.