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Finding the Fourth Proportional to 468,137.28, 702,031.84 and 168,536.64

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Solution

The fourth proportional to 468,137.28, 702,031.84 and 168,536.64 is: 252,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,137.28 : 702,031.84 = 168,536.64 : x
  2. Step 2: Convert to fraction form
    468,137.28/702,031.84 = 168,536.64/x
  3. Step 3: Cross multiply
    468,137.28x = 702,031.84 × 168,536.64
  4. Step 4: Simplify right side
    468,137.28x = 118,318,087,486.62
  5. Step 5: Solve for x
    x = 118,318,087,486.62/468,137.28
  6. Step 6: Final answer
    x = 252,742.29

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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.