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Finding the Fourth Proportional to 501,254.40, 751,879.80 and 122,170.80

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Solution

The fourth proportional to 501,254.40, 751,879.80 and 122,170.80 is: 183,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,254.40 : 751,879.80 = 122,170.80 : x
  2. Step 2: Convert to fraction form
    501,254.40/751,879.80 = 122,170.80/x
  3. Step 3: Cross multiply
    501,254.40x = 751,879.80 × 122,170.80
  4. Step 4: Simplify right side
    501,254.40x = 91,857,756,669.84
  5. Step 5: Solve for x
    x = 91,857,756,669.84/501,254.40
  6. Step 6: Final answer
    x = 183,255.76

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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.