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Finding the Fourth Proportional to 238,682.71, 357,997.33 and 61,193.89

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Solution

The fourth proportional to 238,682.71, 357,997.33 and 61,193.89 is: 91,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,682.71 : 357,997.33 = 61,193.89 : x
  2. Step 2: Convert to fraction form
    238,682.71/357,997.33 = 61,193.89/x
  3. Step 3: Cross multiply
    238,682.71x = 357,997.33 × 61,193.89
  4. Step 4: Simplify right side
    238,682.71x = 21,907,249,232.31
  5. Step 5: Solve for x
    x = 21,907,249,232.31/238,682.71
  6. Step 6: Final answer
    x = 91,783.98

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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.