Home / 254,741.98-381,530.25-121,715.74

Finding the Fourth Proportional to 254,741.98, 381,530.25 and 121,715.74

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Solution

The fourth proportional to 254,741.98, 381,530.25 and 121,715.74 is: 182,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,741.98 : 381,530.25 = 121,715.74 : x
  2. Step 2: Convert to fraction form
    254,741.98/381,530.25 = 121,715.74/x
  3. Step 3: Cross multiply
    254,741.98x = 381,530.25 × 121,715.74
  4. Step 4: Simplify right side
    254,741.98x = 46,438,236,711.14
  5. Step 5: Solve for x
    x = 46,438,236,711.14/254,741.98
  6. Step 6: Final answer
    x = 182,295.19

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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.