Home / 354,144-531,320.04-104,832.48

Finding the Fourth Proportional to 354,144, 531,320.04 and 104,832.48

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Solution

The fourth proportional to 354,144, 531,320.04 and 104,832.48 is: 157,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,144 : 531,320.04 = 104,832.48 : x
  2. Step 2: Convert to fraction form
    354,144/531,320.04 = 104,832.48/x
  3. Step 3: Cross multiply
    354,144x = 531,320.04 × 104,832.48
  4. Step 4: Simplify right side
    354,144x = 55,699,597,466.90
  5. Step 5: Solve for x
    x = 55,699,597,466.90/354,144
  6. Step 6: Final answer
    x = 157,279.52

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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.