Home / 320,378.46-480,636.63-95,757.15

Finding the Fourth Proportional to 320,378.46, 480,636.63 and 95,757.15

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Solution

The fourth proportional to 320,378.46, 480,636.63 and 95,757.15 is: 143,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,378.46 : 480,636.63 = 95,757.15 : x
  2. Step 2: Convert to fraction form
    320,378.46/480,636.63 = 95,757.15/x
  3. Step 3: Cross multiply
    320,378.46x = 480,636.63 × 95,757.15
  4. Step 4: Simplify right side
    320,378.46x = 46,024,393,874.40
  5. Step 5: Solve for x
    x = 46,024,393,874.40/320,378.46
  6. Step 6: Final answer
    x = 143,656.33

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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.