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Finding the Fourth Proportional to 253,552.28, 380,539.59 and 133,652.28

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Solution

The fourth proportional to 253,552.28, 380,539.59 and 133,652.28 is: 200,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,552.28 : 380,539.59 = 133,652.28 : x
  2. Step 2: Convert to fraction form
    253,552.28/380,539.59 = 133,652.28/x
  3. Step 3: Cross multiply
    253,552.28x = 380,539.59 × 133,652.28
  4. Step 4: Simplify right side
    253,552.28x = 50,859,983,746.75
  5. Step 5: Solve for x
    x = 50,859,983,746.75/253,552.28
  6. Step 6: Final answer
    x = 200,589.74

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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.