Home / 681,002.51-1,021,149.07-254,187.35

Finding the Fourth Proportional to 681,002.51, 1,021,149.07 and 254,187.35

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Solution

The fourth proportional to 681,002.51, 1,021,149.07 and 254,187.35 is: 381,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,002.51 : 1,021,149.07 = 254,187.35 : x
  2. Step 2: Convert to fraction form
    681,002.51/1,021,149.07 = 254,187.35/x
  3. Step 3: Cross multiply
    681,002.51x = 1,021,149.07 × 254,187.35
  4. Step 4: Simplify right side
    681,002.51x = 259,563,170,317.05
  5. Step 5: Solve for x
    x = 259,563,170,317.05/681,002.51
  6. Step 6: Final answer
    x = 381,148.63

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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.