Home / 338,964.65-467,990.33-210,039.93

Finding the Fourth Proportional to 338,964.65, 467,990.33 and 210,039.93

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Solution

The fourth proportional to 338,964.65, 467,990.33 and 210,039.93 is: 289,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,964.65 : 467,990.33 = 210,039.93 : x
  2. Step 2: Convert to fraction form
    338,964.65/467,990.33 = 210,039.93/x
  3. Step 3: Cross multiply
    338,964.65x = 467,990.33 × 210,039.93
  4. Step 4: Simplify right side
    338,964.65x = 98,296,655,103.68
  5. Step 5: Solve for x
    x = 98,296,655,103.68/338,964.65
  6. Step 6: Final answer
    x = 289,990.88

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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.