Home / 320,217.67-480,309.18-162,442.03

Finding the Fourth Proportional to 320,217.67, 480,309.18 and 162,442.03

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Solution

The fourth proportional to 320,217.67, 480,309.18 and 162,442.03 is: 243,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,217.67 : 480,309.18 = 162,442.03 : x
  2. Step 2: Convert to fraction form
    320,217.67/480,309.18 = 162,442.03/x
  3. Step 3: Cross multiply
    320,217.67x = 480,309.18 × 162,442.03
  4. Step 4: Simplify right side
    320,217.67x = 78,022,398,226.84
  5. Step 5: Solve for x
    x = 78,022,398,226.84/320,217.67
  6. Step 6: Final answer
    x = 243,654.26

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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.