Home / 386,859.93-580,223.07-102,552.36

Finding the Fourth Proportional to 386,859.93, 580,223.07 and 102,552.36

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Solution

The fourth proportional to 386,859.93, 580,223.07 and 102,552.36 is: 153,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,859.93 : 580,223.07 = 102,552.36 : x
  2. Step 2: Convert to fraction form
    386,859.93/580,223.07 = 102,552.36/x
  3. Step 3: Cross multiply
    386,859.93x = 580,223.07 × 102,552.36
  4. Step 4: Simplify right side
    386,859.93x = 59,503,245,154.95
  5. Step 5: Solve for x
    x = 59,503,245,154.95/386,859.93
  6. Step 6: Final answer
    x = 153,810.83

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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.