Home / 357,109.22-492,810.45-204,150.80

Finding the Fourth Proportional to 357,109.22, 492,810.45 and 204,150.80

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Solution

The fourth proportional to 357,109.22, 492,810.45 and 204,150.80 is: 281,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,109.22 : 492,810.45 = 204,150.80 : x
  2. Step 2: Convert to fraction form
    357,109.22/492,810.45 = 204,150.80/x
  3. Step 3: Cross multiply
    357,109.22x = 492,810.45 × 204,150.80
  4. Step 4: Simplify right side
    357,109.22x = 100,607,647,615.86
  5. Step 5: Solve for x
    x = 100,607,647,615.86/357,109.22
  6. Step 6: Final answer
    x = 281,727.95

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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.