Home / 254,607.35-381,329.23-121,580.78

Finding the Fourth Proportional to 254,607.35, 381,329.23 and 121,580.78

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Solution

The fourth proportional to 254,607.35, 381,329.23 and 121,580.78 is: 182,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,607.35 : 381,329.23 = 121,580.78 : x
  2. Step 2: Convert to fraction form
    254,607.35/381,329.23 = 121,580.78/x
  3. Step 3: Cross multiply
    254,607.35x = 381,329.23 × 121,580.78
  4. Step 4: Simplify right side
    254,607.35x = 46,362,305,220.20
  5. Step 5: Solve for x
    x = 46,362,305,220.20/254,607.35
  6. Step 6: Final answer
    x = 182,093.35

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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.