Home / 211,294.96-316,940.04-51,371.80

Finding the Fourth Proportional to 211,294.96, 316,940.04 and 51,371.80

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Solution

The fourth proportional to 211,294.96, 316,940.04 and 51,371.80 is: 77,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,294.96 : 316,940.04 = 51,371.80 : x
  2. Step 2: Convert to fraction form
    211,294.96/316,940.04 = 51,371.80/x
  3. Step 3: Cross multiply
    211,294.96x = 316,940.04 × 51,371.80
  4. Step 4: Simplify right side
    211,294.96x = 16,281,780,346.87
  5. Step 5: Solve for x
    x = 16,281,780,346.87/211,294.96
  6. Step 6: Final answer
    x = 77,057.12

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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.