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Finding the Fourth Proportional to 253,360.08, 380,150.64 and 120,334.32

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Solution

The fourth proportional to 253,360.08, 380,150.64 and 120,334.32 is: 180,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,360.08 : 380,150.64 = 120,334.32 : x
  2. Step 2: Convert to fraction form
    253,360.08/380,150.64 = 120,334.32/x
  3. Step 3: Cross multiply
    253,360.08x = 380,150.64 × 120,334.32
  4. Step 4: Simplify right side
    253,360.08x = 45,745,168,761.96
  5. Step 5: Solve for x
    x = 45,745,168,761.96/253,360.08
  6. Step 6: Final answer
    x = 180,553.97

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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.