Home / 252,403.32-378,603.06-74,910.84

Finding the Fourth Proportional to 252,403.32, 378,603.06 and 74,910.84

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Solution

The fourth proportional to 252,403.32, 378,603.06 and 74,910.84 is: 112,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,403.32 : 378,603.06 = 74,910.84 : x
  2. Step 2: Convert to fraction form
    252,403.32/378,603.06 = 74,910.84/x
  3. Step 3: Cross multiply
    252,403.32x = 378,603.06 × 74,910.84
  4. Step 4: Simplify right side
    252,403.32x = 28,361,473,251.17
  5. Step 5: Solve for x
    x = 28,361,473,251.17/252,403.32
  6. Step 6: Final answer
    x = 112,365.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.