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Finding the Fourth Proportional to 304,173.36, 419,742.48 and 168,199.44

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Solution

The fourth proportional to 304,173.36, 419,742.48 and 168,199.44 is: 232,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,173.36 : 419,742.48 = 168,199.44 : x
  2. Step 2: Convert to fraction form
    304,173.36/419,742.48 = 168,199.44/x
  3. Step 3: Cross multiply
    304,173.36x = 419,742.48 × 168,199.44
  4. Step 4: Simplify right side
    304,173.36x = 70,600,450,080.21
  5. Step 5: Solve for x
    x = 70,600,450,080.21/304,173.36
  6. Step 6: Final answer
    x = 232,105.96

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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.