Home / 211,988.28-317,898.72-93,576

Finding the Fourth Proportional to 211,988.28, 317,898.72 and 93,576

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Solution

The fourth proportional to 211,988.28, 317,898.72 and 93,576 is: 140,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,988.28 : 317,898.72 = 93,576 : x
  2. Step 2: Convert to fraction form
    211,988.28/317,898.72 = 93,576/x
  3. Step 3: Cross multiply
    211,988.28x = 317,898.72 × 93,576
  4. Step 4: Simplify right side
    211,988.28x = 29,747,690,622.72
  5. Step 5: Solve for x
    x = 29,747,690,622.72/211,988.28
  6. Step 6: Final answer
    x = 140,327.05

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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.