Home / 500,179.05-750,409.07-200,869.80

Finding the Fourth Proportional to 500,179.05, 750,409.07 and 200,869.80

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Solution

The fourth proportional to 500,179.05, 750,409.07 and 200,869.80 is: 301,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,179.05 : 750,409.07 = 200,869.80 : x
  2. Step 2: Convert to fraction form
    500,179.05/750,409.07 = 200,869.80/x
  3. Step 3: Cross multiply
    500,179.05x = 750,409.07 × 200,869.80
  4. Step 4: Simplify right side
    500,179.05x = 150,734,518,804.74
  5. Step 5: Solve for x
    x = 150,734,518,804.74/500,179.05
  6. Step 6: Final answer
    x = 301,361.12

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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.