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Finding the Fourth Proportional to 238,504.42, 357,769.08 and 61,012.97

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Solution

The fourth proportional to 238,504.42, 357,769.08 and 61,012.97 is: 91,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,504.42 : 357,769.08 = 61,012.97 : x
  2. Step 2: Convert to fraction form
    238,504.42/357,769.08 = 61,012.97/x
  3. Step 3: Cross multiply
    238,504.42x = 357,769.08 × 61,012.97
  4. Step 4: Simplify right side
    238,504.42x = 21,828,554,144.97
  5. Step 5: Solve for x
    x = 21,828,554,144.97/238,504.42
  6. Step 6: Final answer
    x = 91,522.64

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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.