Home / 386,367.20-579,578.46-102,054.90

Finding the Fourth Proportional to 386,367.20, 579,578.46 and 102,054.90

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Solution

The fourth proportional to 386,367.20, 579,578.46 and 102,054.90 is: 153,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,367.20 : 579,578.46 = 102,054.90 : x
  2. Step 2: Convert to fraction form
    386,367.20/579,578.46 = 102,054.90/x
  3. Step 3: Cross multiply
    386,367.20x = 579,578.46 × 102,054.90
  4. Step 4: Simplify right side
    386,367.20x = 59,148,821,777.45
  5. Step 5: Solve for x
    x = 59,148,821,777.45/386,367.20
  6. Step 6: Final answer
    x = 153,089.66

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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.