Home / 371,942.80-557,914.20-222,643.60

Finding the Fourth Proportional to 371,942.80, 557,914.20 and 222,643.60

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Solution

The fourth proportional to 371,942.80, 557,914.20 and 222,643.60 is: 333,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,942.80 : 557,914.20 = 222,643.60 : x
  2. Step 2: Convert to fraction form
    371,942.80/557,914.20 = 222,643.60/x
  3. Step 3: Cross multiply
    371,942.80x = 557,914.20 × 222,643.60
  4. Step 4: Simplify right side
    371,942.80x = 124,216,025,979.12
  5. Step 5: Solve for x
    x = 124,216,025,979.12/371,942.80
  6. Step 6: Final answer
    x = 333,965.40

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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.