Home / 260,035.10-389,793.45-119,548.70

Finding the Fourth Proportional to 260,035.10, 389,793.45 and 119,548.70

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Solution

The fourth proportional to 260,035.10, 389,793.45 and 119,548.70 is: 179,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,035.10 : 389,793.45 = 119,548.70 : x
  2. Step 2: Convert to fraction form
    260,035.10/389,793.45 = 119,548.70/x
  3. Step 3: Cross multiply
    260,035.10x = 389,793.45 × 119,548.70
  4. Step 4: Simplify right side
    260,035.10x = 46,599,300,216.02
  5. Step 5: Solve for x
    x = 46,599,300,216.02/260,035.10
  6. Step 6: Final answer
    x = 179,203.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.