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Finding the Fourth Proportional to 214,119.11, 295,472.72 and 118,620.11

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Solution

The fourth proportional to 214,119.11, 295,472.72 and 118,620.11 is: 163,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,119.11 : 295,472.72 = 118,620.11 : x
  2. Step 2: Convert to fraction form
    214,119.11/295,472.72 = 118,620.11/x
  3. Step 3: Cross multiply
    214,119.11x = 295,472.72 × 118,620.11
  4. Step 4: Simplify right side
    214,119.11x = 35,049,004,477.94
  5. Step 5: Solve for x
    x = 35,049,004,477.94/214,119.11
  6. Step 6: Final answer
    x = 163,689.29

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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.