Home / 320,984.32-481,475.29-96,343.78

Finding the Fourth Proportional to 320,984.32, 481,475.29 and 96,343.78

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Solution

The fourth proportional to 320,984.32, 481,475.29 and 96,343.78 is: 144,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,984.32 : 481,475.29 = 96,343.78 : x
  2. Step 2: Convert to fraction form
    320,984.32/481,475.29 = 96,343.78/x
  3. Step 3: Cross multiply
    320,984.32x = 481,475.29 × 96,343.78
  4. Step 4: Simplify right side
    320,984.32x = 46,387,149,415.20
  5. Step 5: Solve for x
    x = 46,387,149,415.20/320,984.32
  6. Step 6: Final answer
    x = 144,515.31

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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.