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Finding the Fourth Proportional to 375,062.58, 517,589.60 and 213,925.77

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Solution

The fourth proportional to 375,062.58, 517,589.60 and 213,925.77 is: 295,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,062.58 : 517,589.60 = 213,925.77 : x
  2. Step 2: Convert to fraction form
    375,062.58/517,589.60 = 213,925.77/x
  3. Step 3: Cross multiply
    375,062.58x = 517,589.60 × 213,925.77
  4. Step 4: Simplify right side
    375,062.58x = 110,725,752,654.36
  5. Step 5: Solve for x
    x = 110,725,752,654.36/375,062.58
  6. Step 6: Final answer
    x = 295,219.41

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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.