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Finding the Fourth Proportional to 340,236.32, 510,552.21 and 188,448.80

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Solution

The fourth proportional to 340,236.32, 510,552.21 and 188,448.80 is: 282,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,236.32 : 510,552.21 = 188,448.80 : x
  2. Step 2: Convert to fraction form
    340,236.32/510,552.21 = 188,448.80/x
  3. Step 3: Cross multiply
    340,236.32x = 510,552.21 × 188,448.80
  4. Step 4: Simplify right side
    340,236.32x = 96,212,951,311.85
  5. Step 5: Solve for x
    x = 96,212,951,311.85/340,236.32
  6. Step 6: Final answer
    x = 282,782.72

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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.