Home / 253,919.80-380,976.90-249,934.60

Finding the Fourth Proportional to 253,919.80, 380,976.90 and 249,934.60

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Solution

The fourth proportional to 253,919.80, 380,976.90 and 249,934.60 is: 374,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,919.80 : 380,976.90 = 249,934.60 : x
  2. Step 2: Convert to fraction form
    253,919.80/380,976.90 = 249,934.60/x
  3. Step 3: Cross multiply
    253,919.80x = 380,976.90 × 249,934.60
  4. Step 4: Simplify right side
    253,919.80x = 95,219,309,110.74
  5. Step 5: Solve for x
    x = 95,219,309,110.74/253,919.80
  6. Step 6: Final answer
    x = 374,997.57

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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.