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Finding the Fourth Proportional to 329,785.74, 494,622.72 and 93,072.96

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Solution

The fourth proportional to 329,785.74, 494,622.72 and 93,072.96 is: 139,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,785.74 : 494,622.72 = 93,072.96 : x
  2. Step 2: Convert to fraction form
    329,785.74/494,622.72 = 93,072.96/x
  3. Step 3: Cross multiply
    329,785.74x = 494,622.72 × 93,072.96
  4. Step 4: Simplify right side
    329,785.74x = 46,036,000,633.65
  5. Step 5: Solve for x
    x = 46,036,000,633.65/329,785.74
  6. Step 6: Final answer
    x = 139,593.67

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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.