Home / 285,822.34-394,450.60-158,495.20

Finding the Fourth Proportional to 285,822.34, 394,450.60 and 158,495.20

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Solution

The fourth proportional to 285,822.34, 394,450.60 and 158,495.20 is: 218,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,822.34 : 394,450.60 = 158,495.20 : x
  2. Step 2: Convert to fraction form
    285,822.34/394,450.60 = 158,495.20/x
  3. Step 3: Cross multiply
    285,822.34x = 394,450.60 × 158,495.20
  4. Step 4: Simplify right side
    285,822.34x = 62,518,526,737.12
  5. Step 5: Solve for x
    x = 62,518,526,737.12/285,822.34
  6. Step 6: Final answer
    x = 218,732.12

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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.