Home / 337,538.40-505,627.20-210,789.60

Finding the Fourth Proportional to 337,538.40, 505,627.20 and 210,789.60

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Solution

The fourth proportional to 337,538.40, 505,627.20 and 210,789.60 is: 315,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,538.40 : 505,627.20 = 210,789.60 : x
  2. Step 2: Convert to fraction form
    337,538.40/505,627.20 = 210,789.60/x
  3. Step 3: Cross multiply
    337,538.40x = 505,627.20 × 210,789.60
  4. Step 4: Simplify right side
    337,538.40x = 106,580,955,237.12
  5. Step 5: Solve for x
    x = 106,580,955,237.12/337,538.40
  6. Step 6: Final answer
    x = 315,759.50

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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.