Home / 258,231.60-356,361.59-143,521.02

Finding the Fourth Proportional to 258,231.60, 356,361.59 and 143,521.02

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Solution

The fourth proportional to 258,231.60, 356,361.59 and 143,521.02 is: 198,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,231.60 : 356,361.59 = 143,521.02 : x
  2. Step 2: Convert to fraction form
    258,231.60/356,361.59 = 143,521.02/x
  3. Step 3: Cross multiply
    258,231.60x = 356,361.59 × 143,521.02
  4. Step 4: Simplify right side
    258,231.60x = 51,145,379,244.42
  5. Step 5: Solve for x
    x = 51,145,379,244.42/258,231.60
  6. Step 6: Final answer
    x = 198,060.11

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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.