Home / 320,975.96-481,543.90-96,340.55

Finding the Fourth Proportional to 320,975.96, 481,543.90 and 96,340.55

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Solution

The fourth proportional to 320,975.96, 481,543.90 and 96,340.55 is: 144,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,975.96 : 481,543.90 = 96,340.55 : x
  2. Step 2: Convert to fraction form
    320,975.96/481,543.90 = 96,340.55/x
  3. Step 3: Cross multiply
    320,975.96x = 481,543.90 × 96,340.55
  4. Step 4: Simplify right side
    320,975.96x = 46,392,204,175.15
  5. Step 5: Solve for x
    x = 46,392,204,175.15/320,975.96
  6. Step 6: Final answer
    x = 144,534.82

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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.