Home / 254,597.27-381,314.48-121,571.16

Finding the Fourth Proportional to 254,597.27, 381,314.48 and 121,571.16

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Solution

The fourth proportional to 254,597.27, 381,314.48 and 121,571.16 is: 182,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,597.27 : 381,314.48 = 121,571.16 : x
  2. Step 2: Convert to fraction form
    254,597.27/381,314.48 = 121,571.16/x
  3. Step 3: Cross multiply
    254,597.27x = 381,314.48 × 121,571.16
  4. Step 4: Simplify right side
    254,597.27x = 46,356,843,050.54
  5. Step 5: Solve for x
    x = 46,356,843,050.54/254,597.27
  6. Step 6: Final answer
    x = 182,079.11

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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.