Home / 320,475.60-480,723.21-110,110.50

Finding the Fourth Proportional to 320,475.60, 480,723.21 and 110,110.50

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Solution

The fourth proportional to 320,475.60, 480,723.21 and 110,110.50 is: 165,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,475.60 : 480,723.21 = 110,110.50 : x
  2. Step 2: Convert to fraction form
    320,475.60/480,723.21 = 110,110.50/x
  3. Step 3: Cross multiply
    320,475.60x = 480,723.21 × 110,110.50
  4. Step 4: Simplify right side
    320,475.60x = 52,932,673,014.71
  5. Step 5: Solve for x
    x = 52,932,673,014.71/320,475.60
  6. Step 6: Final answer
    x = 165,169.12

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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.