Home / 378,328.32-522,336.24-235,283.04

Finding the Fourth Proportional to 378,328.32, 522,336.24 and 235,283.04

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Solution

The fourth proportional to 378,328.32, 522,336.24 and 235,283.04 is: 324,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,328.32 : 522,336.24 = 235,283.04 : x
  2. Step 2: Convert to fraction form
    378,328.32/522,336.24 = 235,283.04/x
  3. Step 3: Cross multiply
    378,328.32x = 522,336.24 × 235,283.04
  4. Step 4: Simplify right side
    378,328.32x = 122,896,858,449.37
  5. Step 5: Solve for x
    x = 122,896,858,449.37/378,328.32
  6. Step 6: Final answer
    x = 324,841.82

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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.