Home / 579,128.26-868,716.69-158,403.46

Finding the Fourth Proportional to 579,128.26, 868,716.69 and 158,403.46

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Solution

The fourth proportional to 579,128.26, 868,716.69 and 158,403.46 is: 237,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,128.26 : 868,716.69 = 158,403.46 : x
  2. Step 2: Convert to fraction form
    579,128.26/868,716.69 = 158,403.46/x
  3. Step 3: Cross multiply
    579,128.26x = 868,716.69 × 158,403.46
  4. Step 4: Simplify right side
    579,128.26x = 137,607,729,455.75
  5. Step 5: Solve for x
    x = 137,607,729,455.75/579,128.26
  6. Step 6: Final answer
    x = 237,611.84

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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.