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Finding the Fourth Proportional to 446,458.44, 616,118.24 and 242,512.76

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Solution

The fourth proportional to 446,458.44, 616,118.24 and 242,512.76 is: 334,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,458.44 : 616,118.24 = 242,512.76 : x
  2. Step 2: Convert to fraction form
    446,458.44/616,118.24 = 242,512.76/x
  3. Step 3: Cross multiply
    446,458.44x = 616,118.24 × 242,512.76
  4. Step 4: Simplify right side
    446,458.44x = 149,416,530,575.59
  5. Step 5: Solve for x
    x = 149,416,530,575.59/446,458.44
  6. Step 6: Final answer
    x = 334,670.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.