Home / 356,954.06-492,587.60-203,982.53

Finding the Fourth Proportional to 356,954.06, 492,587.60 and 203,982.53

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Solution

The fourth proportional to 356,954.06, 492,587.60 and 203,982.53 is: 281,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,954.06 : 492,587.60 = 203,982.53 : x
  2. Step 2: Convert to fraction form
    356,954.06/492,587.60 = 203,982.53/x
  3. Step 3: Cross multiply
    356,954.06x = 492,587.60 × 203,982.53
  4. Step 4: Simplify right side
    356,954.06x = 100,479,261,411.78
  5. Step 5: Solve for x
    x = 100,479,261,411.78/356,954.06
  6. Step 6: Final answer
    x = 281,490.73

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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.