Home / 320,742.33-481,220.39-107,531.34

Finding the Fourth Proportional to 320,742.33, 481,220.39 and 107,531.34

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Solution

The fourth proportional to 320,742.33, 481,220.39 and 107,531.34 is: 161,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,742.33 : 481,220.39 = 107,531.34 : x
  2. Step 2: Convert to fraction form
    320,742.33/481,220.39 = 107,531.34/x
  3. Step 3: Cross multiply
    320,742.33x = 481,220.39 × 107,531.34
  4. Step 4: Simplify right side
    320,742.33x = 51,746,273,372.02
  5. Step 5: Solve for x
    x = 51,746,273,372.02/320,742.33
  6. Step 6: Final answer
    x = 161,332.85

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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.