Home / 357,120.93-492,839.42-195,977.30

Finding the Fourth Proportional to 357,120.93, 492,839.42 and 195,977.30

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Solution

The fourth proportional to 357,120.93, 492,839.42 and 195,977.30 is: 270,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,120.93 : 492,839.42 = 195,977.30 : x
  2. Step 2: Convert to fraction form
    357,120.93/492,839.42 = 195,977.30/x
  3. Step 3: Cross multiply
    357,120.93x = 492,839.42 × 195,977.30
  4. Step 4: Simplify right side
    357,120.93x = 96,585,338,736.34
  5. Step 5: Solve for x
    x = 96,585,338,736.34/357,120.93
  6. Step 6: Final answer
    x = 270,455.56

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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.