Home / 285,731.61-394,380.03-169,543.59

Finding the Fourth Proportional to 285,731.61, 394,380.03 and 169,543.59

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Solution

The fourth proportional to 285,731.61, 394,380.03 and 169,543.59 is: 234,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,731.61 : 394,380.03 = 169,543.59 : x
  2. Step 2: Convert to fraction form
    285,731.61/394,380.03 = 169,543.59/x
  3. Step 3: Cross multiply
    285,731.61x = 394,380.03 × 169,543.59
  4. Step 4: Simplify right side
    285,731.61x = 66,864,606,110.51
  5. Step 5: Solve for x
    x = 66,864,606,110.51/285,731.61
  6. Step 6: Final answer
    x = 234,011.93

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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.