Home / 266,105.06-399,333.86-146,245.71

Finding the Fourth Proportional to 266,105.06, 399,333.86 and 146,245.71

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Solution

The fourth proportional to 266,105.06, 399,333.86 and 146,245.71 is: 219,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,105.06 : 399,333.86 = 146,245.71 : x
  2. Step 2: Convert to fraction form
    266,105.06/399,333.86 = 146,245.71/x
  3. Step 3: Cross multiply
    266,105.06x = 399,333.86 × 146,245.71
  4. Step 4: Simplify right side
    266,105.06x = 58,400,863,882.74
  5. Step 5: Solve for x
    x = 58,400,863,882.74/266,105.06
  6. Step 6: Final answer
    x = 219,465.44

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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.