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Finding the Fourth Proportional to 238,506.58, 328,792.35 and 166,663.54

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Solution

The fourth proportional to 238,506.58, 328,792.35 and 166,663.54 is: 229,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,506.58 : 328,792.35 = 166,663.54 : x
  2. Step 2: Convert to fraction form
    238,506.58/328,792.35 = 166,663.54/x
  3. Step 3: Cross multiply
    238,506.58x = 328,792.35 × 166,663.54
  4. Step 4: Simplify right side
    238,506.58x = 54,797,696,975.92
  5. Step 5: Solve for x
    x = 54,797,696,975.92/238,506.58
  6. Step 6: Final answer
    x = 229,753.40

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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.