Home / 254,568.39-381,271.33-121,542.07

Finding the Fourth Proportional to 254,568.39, 381,271.33 and 121,542.07

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Solution

The fourth proportional to 254,568.39, 381,271.33 and 121,542.07 is: 182,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,568.39 : 381,271.33 = 121,542.07 : x
  2. Step 2: Convert to fraction form
    254,568.39/381,271.33 = 121,542.07/x
  3. Step 3: Cross multiply
    254,568.39x = 381,271.33 × 121,542.07
  4. Step 4: Simplify right side
    254,568.39x = 46,340,506,251.65
  5. Step 5: Solve for x
    x = 46,340,506,251.65/254,568.39
  6. Step 6: Final answer
    x = 182,035.58

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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.