Home / 320,999.57-481,498.23-96,359.09

Finding the Fourth Proportional to 320,999.57, 481,498.23 and 96,359.09

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Solution

The fourth proportional to 320,999.57, 481,498.23 and 96,359.09 is: 144,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,999.57 : 481,498.23 = 96,359.09 : x
  2. Step 2: Convert to fraction form
    320,999.57/481,498.23 = 96,359.09/x
  3. Step 3: Cross multiply
    320,999.57x = 481,498.23 × 96,359.09
  4. Step 4: Simplify right side
    320,999.57x = 46,396,731,279.41
  5. Step 5: Solve for x
    x = 46,396,731,279.41/320,999.57
  6. Step 6: Final answer
    x = 144,538.30

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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.