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Finding the Fourth Proportional to 483,209.44, 725,054.96 and 217,160.16

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Solution

The fourth proportional to 483,209.44, 725,054.96 and 217,160.16 is: 325,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,209.44 : 725,054.96 = 217,160.16 : x
  2. Step 2: Convert to fraction form
    483,209.44/725,054.96 = 217,160.16/x
  3. Step 3: Cross multiply
    483,209.44x = 725,054.96 × 217,160.16
  4. Step 4: Simplify right side
    483,209.44x = 157,453,051,122.39
  5. Step 5: Solve for x
    x = 157,453,051,122.39/483,209.44
  6. Step 6: Final answer
    x = 325,848.46

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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.