Home / 254,549.62-381,907.38-121,412.56

Finding the Fourth Proportional to 254,549.62, 381,907.38 and 121,412.56

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Solution

The fourth proportional to 254,549.62, 381,907.38 and 121,412.56 is: 182,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,549.62 : 381,907.38 = 121,412.56 : x
  2. Step 2: Convert to fraction form
    254,549.62/381,907.38 = 121,412.56/x
  3. Step 3: Cross multiply
    254,549.62x = 381,907.38 × 121,412.56
  4. Step 4: Simplify right side
    254,549.62x = 46,368,352,688.69
  5. Step 5: Solve for x
    x = 46,368,352,688.69/254,549.62
  6. Step 6: Final answer
    x = 182,158.40

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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.