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Finding the Fourth Proportional to 350,467.48, 483,645.56 and 189,322.56

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Solution

The fourth proportional to 350,467.48, 483,645.56 and 189,322.56 is: 261,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,467.48 : 483,645.56 = 189,322.56 : x
  2. Step 2: Convert to fraction form
    350,467.48/483,645.56 = 189,322.56/x
  3. Step 3: Cross multiply
    350,467.48x = 483,645.56 × 189,322.56
  4. Step 4: Simplify right side
    350,467.48x = 91,565,015,551.83
  5. Step 5: Solve for x
    x = 91,565,015,551.83/350,467.48
  6. Step 6: Final answer
    x = 261,265.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.