Home / 311,982.63-467,973.96-101,620.56

Finding the Fourth Proportional to 311,982.63, 467,973.96 and 101,620.56

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Solution

The fourth proportional to 311,982.63, 467,973.96 and 101,620.56 is: 152,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,982.63 : 467,973.96 = 101,620.56 : x
  2. Step 2: Convert to fraction form
    311,982.63/467,973.96 = 101,620.56/x
  3. Step 3: Cross multiply
    311,982.63x = 467,973.96 × 101,620.56
  4. Step 4: Simplify right side
    311,982.63x = 47,555,775,880.62
  5. Step 5: Solve for x
    x = 47,555,775,880.62/311,982.63
  6. Step 6: Final answer
    x = 152,430.84

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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.