Home / 320,899.05-481,359.74-152,332.54

Finding the Fourth Proportional to 320,899.05, 481,359.74 and 152,332.54

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Solution

The fourth proportional to 320,899.05, 481,359.74 and 152,332.54 is: 228,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,899.05 : 481,359.74 = 152,332.54 : x
  2. Step 2: Convert to fraction form
    320,899.05/481,359.74 = 152,332.54/x
  3. Step 3: Cross multiply
    320,899.05x = 481,359.74 × 152,332.54
  4. Step 4: Simplify right side
    320,899.05x = 73,326,751,847.94
  5. Step 5: Solve for x
    x = 73,326,751,847.94/320,899.05
  6. Step 6: Final answer
    x = 228,504.11

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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.