Home / 320,828.88-481,237.64-110,462.16

Finding the Fourth Proportional to 320,828.88, 481,237.64 and 110,462.16

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Solution

The fourth proportional to 320,828.88, 481,237.64 and 110,462.16 is: 165,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,828.88 : 481,237.64 = 110,462.16 : x
  2. Step 2: Convert to fraction form
    320,828.88/481,237.64 = 110,462.16/x
  3. Step 3: Cross multiply
    320,828.88x = 481,237.64 × 110,462.16
  4. Step 4: Simplify right side
    320,828.88x = 53,158,549,187.70
  5. Step 5: Solve for x
    x = 53,158,549,187.70/320,828.88
  6. Step 6: Final answer
    x = 165,691.28

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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.