Home / 276,102.09-413,415-157,610.43

Finding the Fourth Proportional to 276,102.09, 413,415 and 157,610.43

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Solution

The fourth proportional to 276,102.09, 413,415 and 157,610.43 is: 235,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,102.09 : 413,415 = 157,610.43 : x
  2. Step 2: Convert to fraction form
    276,102.09/413,415 = 157,610.43/x
  3. Step 3: Cross multiply
    276,102.09x = 413,415 × 157,610.43
  4. Step 4: Simplify right side
    276,102.09x = 65,158,515,918.45
  5. Step 5: Solve for x
    x = 65,158,515,918.45/276,102.09
  6. Step 6: Final answer
    x = 235,994.29

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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.