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Finding the Fourth Proportional to 325,216.41, 487,703.42 and 111,924.68

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Solution

The fourth proportional to 325,216.41, 487,703.42 and 111,924.68 is: 167,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,216.41 : 487,703.42 = 111,924.68 : x
  2. Step 2: Convert to fraction form
    325,216.41/487,703.42 = 111,924.68/x
  3. Step 3: Cross multiply
    325,216.41x = 487,703.42 × 111,924.68
  4. Step 4: Simplify right side
    325,216.41x = 54,586,046,220.27
  5. Step 5: Solve for x
    x = 54,586,046,220.27/325,216.41
  6. Step 6: Final answer
    x = 167,845.30

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1.5x scale

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.