Home / 638,045.46-957,163.32-227,682.81

Finding the Fourth Proportional to 638,045.46, 957,163.32 and 227,682.81

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Solution

The fourth proportional to 638,045.46, 957,163.32 and 227,682.81 is: 341,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,045.46 : 957,163.32 = 227,682.81 : x
  2. Step 2: Convert to fraction form
    638,045.46/957,163.32 = 227,682.81/x
  3. Step 3: Cross multiply
    638,045.46x = 957,163.32 × 227,682.81
  4. Step 4: Simplify right side
    638,045.46x = 217,929,634,326.53
  5. Step 5: Solve for x
    x = 217,929,634,326.53/638,045.46
  6. Step 6: Final answer
    x = 341,558.16

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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.