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Finding the Fourth Proportional to 237,493.79, 356,241.35 and 57,578.51

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Solution

The fourth proportional to 237,493.79, 356,241.35 and 57,578.51 is: 86,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,493.79 : 356,241.35 = 57,578.51 : x
  2. Step 2: Convert to fraction form
    237,493.79/356,241.35 = 57,578.51/x
  3. Step 3: Cross multiply
    237,493.79x = 356,241.35 × 57,578.51
  4. Step 4: Simplify right side
    237,493.79x = 20,511,844,352.18
  5. Step 5: Solve for x
    x = 20,511,844,352.18/237,493.79
  6. Step 6: Final answer
    x = 86,367.92

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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.