Home / 285,569.69-394,088.52-158,247.41

Finding the Fourth Proportional to 285,569.69, 394,088.52 and 158,247.41

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Solution

The fourth proportional to 285,569.69, 394,088.52 and 158,247.41 is: 218,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,569.69 : 394,088.52 = 158,247.41 : x
  2. Step 2: Convert to fraction form
    285,569.69/394,088.52 = 158,247.41/x
  3. Step 3: Cross multiply
    285,569.69x = 394,088.52 × 158,247.41
  4. Step 4: Simplify right side
    285,569.69x = 62,363,487,600.73
  5. Step 5: Solve for x
    x = 62,363,487,600.73/285,569.69
  6. Step 6: Final answer
    x = 218,382.73

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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.