Home / 230,739.84-318,297.60-159,155.28

Finding the Fourth Proportional to 230,739.84, 318,297.60 and 159,155.28

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Solution

The fourth proportional to 230,739.84, 318,297.60 and 159,155.28 is: 219,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,739.84 : 318,297.60 = 159,155.28 : x
  2. Step 2: Convert to fraction form
    230,739.84/318,297.60 = 159,155.28/x
  3. Step 3: Cross multiply
    230,739.84x = 318,297.60 × 159,155.28
  4. Step 4: Simplify right side
    230,739.84x = 50,658,743,651.33
  5. Step 5: Solve for x
    x = 50,658,743,651.33/230,739.84
  6. Step 6: Final answer
    x = 219,549.18

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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.