Home / 338,964.89-467,990.67-210,040.17

Finding the Fourth Proportional to 338,964.89, 467,990.67 and 210,040.17

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Solution

The fourth proportional to 338,964.89, 467,990.67 and 210,040.17 is: 289,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,964.89 : 467,990.67 = 210,040.17 : x
  2. Step 2: Convert to fraction form
    338,964.89/467,990.67 = 210,040.17/x
  3. Step 3: Cross multiply
    338,964.89x = 467,990.67 × 210,040.17
  4. Step 4: Simplify right side
    338,964.89x = 98,296,839,885.21
  5. Step 5: Solve for x
    x = 98,296,839,885.21/338,964.89
  6. Step 6: Final answer
    x = 289,991.22

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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.