Home / 322,484.53-445,227.83-207,803.65

Finding the Fourth Proportional to 322,484.53, 445,227.83 and 207,803.65

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Solution

The fourth proportional to 322,484.53, 445,227.83 and 207,803.65 is: 286,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,484.53 : 445,227.83 = 207,803.65 : x
  2. Step 2: Convert to fraction form
    322,484.53/445,227.83 = 207,803.65/x
  3. Step 3: Cross multiply
    322,484.53x = 445,227.83 × 207,803.65
  4. Step 4: Simplify right side
    322,484.53x = 92,519,967,116.56
  5. Step 5: Solve for x
    x = 92,519,967,116.56/322,484.53
  6. Step 6: Final answer
    x = 286,897.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.