Home / 378,349.32-522,365.22-235,304.04

Finding the Fourth Proportional to 378,349.32, 522,365.22 and 235,304.04

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Solution

The fourth proportional to 378,349.32, 522,365.22 and 235,304.04 is: 324,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,349.32 : 522,365.22 = 235,304.04 : x
  2. Step 2: Convert to fraction form
    378,349.32/522,365.22 = 235,304.04/x
  3. Step 3: Cross multiply
    378,349.32x = 522,365.22 × 235,304.04
  4. Step 4: Simplify right side
    378,349.32x = 122,914,646,621.49
  5. Step 5: Solve for x
    x = 122,914,646,621.49/378,349.32
  6. Step 6: Final answer
    x = 324,870.80

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1.5x scale

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.