Home / 211,453.35-316,618.84-165,402.11

Finding the Fourth Proportional to 211,453.35, 316,618.84 and 165,402.11

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Solution

The fourth proportional to 211,453.35, 316,618.84 and 165,402.11 is: 247,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,453.35 : 316,618.84 = 165,402.11 : x
  2. Step 2: Convert to fraction form
    211,453.35/316,618.84 = 165,402.11/x
  3. Step 3: Cross multiply
    211,453.35x = 316,618.84 × 165,402.11
  4. Step 4: Simplify right side
    211,453.35x = 52,369,425,200.05
  5. Step 5: Solve for x
    x = 52,369,425,200.05/211,453.35
  6. Step 6: Final answer
    x = 247,664.21

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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.