Home / 378,734.90-522,843.54-235,541.08

Finding the Fourth Proportional to 378,734.90, 522,843.54 and 235,541.08

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Solution

The fourth proportional to 378,734.90, 522,843.54 and 235,541.08 is: 325,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,734.90 : 522,843.54 = 235,541.08 : x
  2. Step 2: Convert to fraction form
    378,734.90/522,843.54 = 235,541.08/x
  3. Step 3: Cross multiply
    378,734.90x = 522,843.54 × 235,541.08
  4. Step 4: Simplify right side
    378,734.90x = 123,151,132,082.62
  5. Step 5: Solve for x
    x = 123,151,132,082.62/378,734.90
  6. Step 6: Final answer
    x = 325,164.47

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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.