Home / 211,294.31-316,953-53,524.13

Finding the Fourth Proportional to 211,294.31, 316,953 and 53,524.13

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Solution

The fourth proportional to 211,294.31, 316,953 and 53,524.13 is: 80,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,294.31 : 316,953 = 53,524.13 : x
  2. Step 2: Convert to fraction form
    211,294.31/316,953 = 53,524.13/x
  3. Step 3: Cross multiply
    211,294.31x = 316,953 × 53,524.13
  4. Step 4: Simplify right side
    211,294.31x = 16,964,631,991.13
  5. Step 5: Solve for x
    x = 16,964,631,991.13/211,294.31
  6. Step 6: Final answer
    x = 80,289.11

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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.