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Finding the Fourth Proportional to 281,500.50, 388,473.43 and 168,323.25

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Solution

The fourth proportional to 281,500.50, 388,473.43 and 168,323.25 is: 232,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,500.50 : 388,473.43 = 168,323.25 : x
  2. Step 2: Convert to fraction form
    281,500.50/388,473.43 = 168,323.25/x
  3. Step 3: Cross multiply
    281,500.50x = 388,473.43 × 168,323.25
  4. Step 4: Simplify right side
    281,500.50x = 65,389,109,855.44
  5. Step 5: Solve for x
    x = 65,389,109,855.44/281,500.50
  6. Step 6: Final answer
    x = 232,287.72

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1.5x scale

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.