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Finding the Fourth Proportional to 342,400.64, 513,820.56 and 184,738.64

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Solution

The fourth proportional to 342,400.64, 513,820.56 and 184,738.64 is: 277,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,400.64 : 513,820.56 = 184,738.64 : x
  2. Step 2: Convert to fraction form
    342,400.64/513,820.56 = 184,738.64/x
  3. Step 3: Cross multiply
    342,400.64x = 513,820.56 × 184,738.64
  4. Step 4: Simplify right side
    342,400.64x = 94,922,511,458.44
  5. Step 5: Solve for x
    x = 94,922,511,458.44/342,400.64
  6. Step 6: Final answer
    x = 277,226.44

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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.