Home / 320,979.16-481,183.22-152,395.48

Finding the Fourth Proportional to 320,979.16, 481,183.22 and 152,395.48

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Solution

The fourth proportional to 320,979.16, 481,183.22 and 152,395.48 is: 228,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,979.16 : 481,183.22 = 152,395.48 : x
  2. Step 2: Convert to fraction form
    320,979.16/481,183.22 = 152,395.48/x
  3. Step 3: Cross multiply
    320,979.16x = 481,183.22 × 152,395.48
  4. Step 4: Simplify right side
    320,979.16x = 73,330,147,017.87
  5. Step 5: Solve for x
    x = 73,330,147,017.87/320,979.16
  6. Step 6: Final answer
    x = 228,457.66

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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.