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Finding the Fourth Proportional to 363,578.22, 545,392.24 and 123,594.46

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Solution

The fourth proportional to 363,578.22, 545,392.24 and 123,594.46 is: 185,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,578.22 : 545,392.24 = 123,594.46 : x
  2. Step 2: Convert to fraction form
    363,578.22/545,392.24 = 123,594.46/x
  3. Step 3: Cross multiply
    363,578.22x = 545,392.24 × 123,594.46
  4. Step 4: Simplify right side
    363,578.22x = 67,407,459,390.99
  5. Step 5: Solve for x
    x = 67,407,459,390.99/363,578.22
  6. Step 6: Final answer
    x = 185,400.16

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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.