Home / 379,823-524,110.36-210,034.04

Finding the Fourth Proportional to 379,823, 524,110.36 and 210,034.04

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Solution

The fourth proportional to 379,823, 524,110.36 and 210,034.04 is: 289,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,823 : 524,110.36 = 210,034.04 : x
  2. Step 2: Convert to fraction form
    379,823/524,110.36 = 210,034.04/x
  3. Step 3: Cross multiply
    379,823x = 524,110.36 × 210,034.04
  4. Step 4: Simplify right side
    379,823x = 110,081,016,316.65
  5. Step 5: Solve for x
    x = 110,081,016,316.65/379,823
  6. Step 6: Final answer
    x = 289,821.88

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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.