Home / 312,241.25-468,378.45-99,025.97

Finding the Fourth Proportional to 312,241.25, 468,378.45 and 99,025.97

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Solution

The fourth proportional to 312,241.25, 468,378.45 and 99,025.97 is: 148,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,241.25 : 468,378.45 = 99,025.97 : x
  2. Step 2: Convert to fraction form
    312,241.25/468,378.45 = 99,025.97/x
  3. Step 3: Cross multiply
    312,241.25x = 468,378.45 × 99,025.97
  4. Step 4: Simplify right side
    312,241.25x = 46,381,627,996.45
  5. Step 5: Solve for x
    x = 46,381,627,996.45/312,241.25
  6. Step 6: Final answer
    x = 148,544.20

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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.