Home / 266,723.40-400,397.67-210,601.35

Finding the Fourth Proportional to 266,723.40, 400,397.67 and 210,601.35

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Solution

The fourth proportional to 266,723.40, 400,397.67 and 210,601.35 is: 316,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,723.40 : 400,397.67 = 210,601.35 : x
  2. Step 2: Convert to fraction form
    266,723.40/400,397.67 = 210,601.35/x
  3. Step 3: Cross multiply
    266,723.40x = 400,397.67 × 210,601.35
  4. Step 4: Simplify right side
    266,723.40x = 84,324,289,838.85
  5. Step 5: Solve for x
    x = 84,324,289,838.85/266,723.40
  6. Step 6: Final answer
    x = 316,148.83

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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.