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Finding the Fourth Proportional to 439,573.56, 659,187.81 and 155,203.44

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Solution

The fourth proportional to 439,573.56, 659,187.81 and 155,203.44 is: 232,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,573.56 : 659,187.81 = 155,203.44 : x
  2. Step 2: Convert to fraction form
    439,573.56/659,187.81 = 155,203.44/x
  3. Step 3: Cross multiply
    439,573.56x = 659,187.81 × 155,203.44
  4. Step 4: Simplify right side
    439,573.56x = 102,308,215,718.07
  5. Step 5: Solve for x
    x = 102,308,215,718.07/439,573.56
  6. Step 6: Final answer
    x = 232,744.24

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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.