Home / 260,354.12-359,315.72-149,976.58

Finding the Fourth Proportional to 260,354.12, 359,315.72 and 149,976.58

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Solution

The fourth proportional to 260,354.12, 359,315.72 and 149,976.58 is: 206,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,354.12 : 359,315.72 = 149,976.58 : x
  2. Step 2: Convert to fraction form
    260,354.12/359,315.72 = 149,976.58/x
  3. Step 3: Cross multiply
    260,354.12x = 359,315.72 × 149,976.58
  4. Step 4: Simplify right side
    260,354.12x = 53,888,942,835.60
  5. Step 5: Solve for x
    x = 53,888,942,835.60/260,354.12
  6. Step 6: Final answer
    x = 206,983.26

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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.