Home / 320,704.18-480,914.11-170,916.55

Finding the Fourth Proportional to 320,704.18, 480,914.11 and 170,916.55

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Solution

The fourth proportional to 320,704.18, 480,914.11 and 170,916.55 is: 256,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,704.18 : 480,914.11 = 170,916.55 : x
  2. Step 2: Convert to fraction form
    320,704.18/480,914.11 = 170,916.55/x
  3. Step 3: Cross multiply
    320,704.18x = 480,914.11 × 170,916.55
  4. Step 4: Simplify right side
    320,704.18x = 82,196,179,538.88
  5. Step 5: Solve for x
    x = 82,196,179,538.88/320,704.18
  6. Step 6: Final answer
    x = 256,299.06

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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.