Home / 331,106.92-456,942.53-195,146.60

Finding the Fourth Proportional to 331,106.92, 456,942.53 and 195,146.60

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Solution

The fourth proportional to 331,106.92, 456,942.53 and 195,146.60 is: 269,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,106.92 : 456,942.53 = 195,146.60 : x
  2. Step 2: Convert to fraction form
    331,106.92/456,942.53 = 195,146.60/x
  3. Step 3: Cross multiply
    331,106.92x = 456,942.53 × 195,146.60
  4. Step 4: Simplify right side
    331,106.92x = 89,170,779,328.05
  5. Step 5: Solve for x
    x = 89,170,779,328.05/331,106.92
  6. Step 6: Final answer
    x = 269,311.13

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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.