Home / 344,135.37-516,203.05-133,822.51

Finding the Fourth Proportional to 344,135.37, 516,203.05 and 133,822.51

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Solution

The fourth proportional to 344,135.37, 516,203.05 and 133,822.51 is: 200,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,135.37 : 516,203.05 = 133,822.51 : x
  2. Step 2: Convert to fraction form
    344,135.37/516,203.05 = 133,822.51/x
  3. Step 3: Cross multiply
    344,135.37x = 516,203.05 × 133,822.51
  4. Step 4: Simplify right side
    344,135.37x = 69,079,587,820.66
  5. Step 5: Solve for x
    x = 69,079,587,820.66/344,135.37
  6. Step 6: Final answer
    x = 200,733.77

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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.