Home / 386,185.66-579,399.45-173,132.24

Finding the Fourth Proportional to 386,185.66, 579,399.45 and 173,132.24

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Solution

The fourth proportional to 386,185.66, 579,399.45 and 173,132.24 is: 259,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,185.66 : 579,399.45 = 173,132.24 : x
  2. Step 2: Convert to fraction form
    386,185.66/579,399.45 = 173,132.24/x
  3. Step 3: Cross multiply
    386,185.66x = 579,399.45 × 173,132.24
  4. Step 4: Simplify right side
    386,185.66x = 100,312,721,087.03
  5. Step 5: Solve for x
    x = 100,312,721,087.03/386,185.66
  6. Step 6: Final answer
    x = 259,752.58

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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.