Home / 379,939.68-524,314.62-210,170.16

Finding the Fourth Proportional to 379,939.68, 524,314.62 and 210,170.16

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Solution

The fourth proportional to 379,939.68, 524,314.62 and 210,170.16 is: 290,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,939.68 : 524,314.62 = 210,170.16 : x
  2. Step 2: Convert to fraction form
    379,939.68/524,314.62 = 210,170.16/x
  3. Step 3: Cross multiply
    379,939.68x = 524,314.62 × 210,170.16
  4. Step 4: Simplify right side
    379,939.68x = 110,195,287,575.74
  5. Step 5: Solve for x
    x = 110,195,287,575.74/379,939.68
  6. Step 6: Final answer
    x = 290,033.64

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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.