Home / 286,034.61-394,701.68-169,728.04

Finding the Fourth Proportional to 286,034.61, 394,701.68 and 169,728.04

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Solution

The fourth proportional to 286,034.61, 394,701.68 and 169,728.04 is: 234,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,034.61 : 394,701.68 = 169,728.04 : x
  2. Step 2: Convert to fraction form
    286,034.61/394,701.68 = 169,728.04/x
  3. Step 3: Cross multiply
    286,034.61x = 394,701.68 × 169,728.04
  4. Step 4: Simplify right side
    286,034.61x = 66,991,941,820.63
  5. Step 5: Solve for x
    x = 66,991,941,820.63/286,034.61
  6. Step 6: Final answer
    x = 234,209.21

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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.