Home / 378,301.32-522,298.98-235,256.04

Finding the Fourth Proportional to 378,301.32, 522,298.98 and 235,256.04

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Solution

The fourth proportional to 378,301.32, 522,298.98 and 235,256.04 is: 324,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,301.32 : 522,298.98 = 235,256.04 : x
  2. Step 2: Convert to fraction form
    378,301.32/522,298.98 = 235,256.04/x
  3. Step 3: Cross multiply
    378,301.32x = 522,298.98 × 235,256.04
  4. Step 4: Simplify right side
    378,301.32x = 122,873,989,730.84
  5. Step 5: Solve for x
    x = 122,873,989,730.84/378,301.32
  6. Step 6: Final answer
    x = 324,804.55

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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.