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Finding the Fourth Proportional to 352,594.22, 486,581.94 and 191,449.28

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Solution

The fourth proportional to 352,594.22, 486,581.94 and 191,449.28 is: 264,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,594.22 : 486,581.94 = 191,449.28 : x
  2. Step 2: Convert to fraction form
    352,594.22/486,581.94 = 191,449.28/x
  3. Step 3: Cross multiply
    352,594.22x = 486,581.94 × 191,449.28
  4. Step 4: Simplify right side
    352,594.22x = 93,155,762,074.00
  5. Step 5: Solve for x
    x = 93,155,762,074.00/352,594.22
  6. Step 6: Final answer
    x = 264,201.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.