Home / 378,735.64-522,844.58-235,541.82

Finding the Fourth Proportional to 378,735.64, 522,844.58 and 235,541.82

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Solution

The fourth proportional to 378,735.64, 522,844.58 and 235,541.82 is: 325,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,735.64 : 522,844.58 = 235,541.82 : x
  2. Step 2: Convert to fraction form
    378,735.64/522,844.58 = 235,541.82/x
  3. Step 3: Cross multiply
    378,735.64x = 522,844.58 × 235,541.82
  4. Step 4: Simplify right side
    378,735.64x = 123,151,763,950.34
  5. Step 5: Solve for x
    x = 123,151,763,950.34/378,735.64
  6. Step 6: Final answer
    x = 325,165.50

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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.