Home / 266,964.26-400,511.93-79,975.76

Finding the Fourth Proportional to 266,964.26, 400,511.93 and 79,975.76

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Solution

The fourth proportional to 266,964.26, 400,511.93 and 79,975.76 is: 119,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,964.26 : 400,511.93 = 79,975.76 : x
  2. Step 2: Convert to fraction form
    266,964.26/400,511.93 = 79,975.76/x
  3. Step 3: Cross multiply
    266,964.26x = 400,511.93 × 79,975.76
  4. Step 4: Simplify right side
    266,964.26x = 32,031,243,588.38
  5. Step 5: Solve for x
    x = 32,031,243,588.38/266,964.26
  6. Step 6: Final answer
    x = 119,983.27

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1.5x scale

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.