Home / 258,660.48-356,982.53-156,682.95

Finding the Fourth Proportional to 258,660.48, 356,982.53 and 156,682.95

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Solution

The fourth proportional to 258,660.48, 356,982.53 and 156,682.95 is: 216,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,660.48 : 356,982.53 = 156,682.95 : x
  2. Step 2: Convert to fraction form
    258,660.48/356,982.53 = 156,682.95/x
  3. Step 3: Cross multiply
    258,660.48x = 356,982.53 × 156,682.95
  4. Step 4: Simplify right side
    258,660.48x = 55,933,075,898.86
  5. Step 5: Solve for x
    x = 55,933,075,898.86/258,660.48
  6. Step 6: Final answer
    x = 216,241.29

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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.