Home / 320,021.11-480,056.51-95,364.37

Finding the Fourth Proportional to 320,021.11, 480,056.51 and 95,364.37

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Solution

The fourth proportional to 320,021.11, 480,056.51 and 95,364.37 is: 143,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,021.11 : 480,056.51 = 95,364.37 : x
  2. Step 2: Convert to fraction form
    320,021.11/480,056.51 = 95,364.37/x
  3. Step 3: Cross multiply
    320,021.11x = 480,056.51 × 95,364.37
  4. Step 4: Simplify right side
    320,021.11x = 45,780,286,640.55
  5. Step 5: Solve for x
    x = 45,780,286,640.55/320,021.11
  6. Step 6: Final answer
    x = 143,053.96

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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.