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Finding the Fourth Proportional to 281,304.50, 388,140.26 and 166,619.03

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Solution

The fourth proportional to 281,304.50, 388,140.26 and 166,619.03 is: 229,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,304.50 : 388,140.26 = 166,619.03 : x
  2. Step 2: Convert to fraction form
    281,304.50/388,140.26 = 166,619.03/x
  3. Step 3: Cross multiply
    281,304.50x = 388,140.26 × 166,619.03
  4. Step 4: Simplify right side
    281,304.50x = 64,671,550,851.35
  5. Step 5: Solve for x
    x = 64,671,550,851.35/281,304.50
  6. Step 6: Final answer
    x = 229,898.75

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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.