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Finding the Fourth Proportional to 375,667.07, 518,257.64 and 248,519.75

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Solution

The fourth proportional to 375,667.07, 518,257.64 and 248,519.75 is: 342,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,667.07 : 518,257.64 = 248,519.75 : x
  2. Step 2: Convert to fraction form
    375,667.07/518,257.64 = 248,519.75/x
  3. Step 3: Cross multiply
    375,667.07x = 518,257.64 × 248,519.75
  4. Step 4: Simplify right side
    375,667.07x = 128,797,259,128.39
  5. Step 5: Solve for x
    x = 128,797,259,128.39/375,667.07
  6. Step 6: Final answer
    x = 342,849.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.