Home / 211,306.96-316,958.04-51,383.80

Finding the Fourth Proportional to 211,306.96, 316,958.04 and 51,383.80

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Solution

The fourth proportional to 211,306.96, 316,958.04 and 51,383.80 is: 77,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,306.96 : 316,958.04 = 51,383.80 : x
  2. Step 2: Convert to fraction form
    211,306.96/316,958.04 = 51,383.80/x
  3. Step 3: Cross multiply
    211,306.96x = 316,958.04 × 51,383.80
  4. Step 4: Simplify right side
    211,306.96x = 16,286,508,535.75
  5. Step 5: Solve for x
    x = 16,286,508,535.75/211,306.96
  6. Step 6: Final answer
    x = 77,075.12

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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.