Home / 320,249.17-480,356.43-162,473.55

Finding the Fourth Proportional to 320,249.17, 480,356.43 and 162,473.55

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Solution

The fourth proportional to 320,249.17, 480,356.43 and 162,473.55 is: 243,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,249.17 : 480,356.43 = 162,473.55 : x
  2. Step 2: Convert to fraction form
    320,249.17/480,356.43 = 162,473.55/x
  3. Step 3: Cross multiply
    320,249.17x = 480,356.43 × 162,473.55
  4. Step 4: Simplify right side
    320,249.17x = 78,045,214,447.43
  5. Step 5: Solve for x
    x = 78,045,214,447.43/320,249.17
  6. Step 6: Final answer
    x = 243,701.54

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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.