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Finding the Fourth Proportional to 448,770.08, 672,980.16 and 168,134.24

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Solution

The fourth proportional to 448,770.08, 672,980.16 and 168,134.24 is: 252,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,770.08 : 672,980.16 = 168,134.24 : x
  2. Step 2: Convert to fraction form
    448,770.08/672,980.16 = 168,134.24/x
  3. Step 3: Cross multiply
    448,770.08x = 672,980.16 × 168,134.24
  4. Step 4: Simplify right side
    448,770.08x = 113,151,007,736.68
  5. Step 5: Solve for x
    x = 113,151,007,736.68/448,770.08
  6. Step 6: Final answer
    x = 252,135.81

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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.