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Finding the Fourth Proportional to 353,676.99, 488,074.25 and 192,533.22

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Solution

The fourth proportional to 353,676.99, 488,074.25 and 192,533.22 is: 265,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,676.99 : 488,074.25 = 192,533.22 : x
  2. Step 2: Convert to fraction form
    353,676.99/488,074.25 = 192,533.22/x
  3. Step 3: Cross multiply
    353,676.99x = 488,074.25 × 192,533.22
  4. Step 4: Simplify right side
    353,676.99x = 93,970,505,988.92
  5. Step 5: Solve for x
    x = 93,970,505,988.92/353,676.99
  6. Step 6: Final answer
    x = 265,695.84

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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.