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Finding the Fourth Proportional to 375,787, 518,858.22 and 241,884.28

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Solution

The fourth proportional to 375,787, 518,858.22 and 241,884.28 is: 333,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,787 : 518,858.22 = 241,884.28 : x
  2. Step 2: Convert to fraction form
    375,787/518,858.22 = 241,884.28/x
  3. Step 3: Cross multiply
    375,787x = 518,858.22 × 241,884.28
  4. Step 4: Simplify right side
    375,787x = 125,503,646,966.78
  5. Step 5: Solve for x
    x = 125,503,646,966.78/375,787
  6. Step 6: Final answer
    x = 333,975.49

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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.