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Finding the Fourth Proportional to 285,671.08, 394,245.06 and 158,352.04

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Solution

The fourth proportional to 285,671.08, 394,245.06 and 158,352.04 is: 218,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,671.08 : 394,245.06 = 158,352.04 : x
  2. Step 2: Convert to fraction form
    285,671.08/394,245.06 = 158,352.04/x
  3. Step 3: Cross multiply
    285,671.08x = 394,245.06 × 158,352.04
  4. Step 4: Simplify right side
    285,671.08x = 62,429,509,510.92
  5. Step 5: Solve for x
    x = 62,429,509,510.92/285,671.08
  6. Step 6: Final answer
    x = 218,536.33

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1.5x scale

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.