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Finding the Fourth Proportional to 350,155.90, 483,208.58 and 214,179.86

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Solution

The fourth proportional to 350,155.90, 483,208.58 and 214,179.86 is: 295,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,155.90 : 483,208.58 = 214,179.86 : x
  2. Step 2: Convert to fraction form
    350,155.90/483,208.58 = 214,179.86/x
  3. Step 3: Cross multiply
    350,155.90x = 483,208.58 × 214,179.86
  4. Step 4: Simplify right side
    350,155.90x = 103,493,542,528.26
  5. Step 5: Solve for x
    x = 103,493,542,528.26/350,155.90
  6. Step 6: Final answer
    x = 295,564.19

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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.