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Finding the Fourth Proportional to 200,007.90, 299,623.05 and 111,102.30

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Solution

The fourth proportional to 200,007.90, 299,623.05 and 111,102.30 is: 166,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,007.90 : 299,623.05 = 111,102.30 : x
  2. Step 2: Convert to fraction form
    200,007.90/299,623.05 = 111,102.30/x
  3. Step 3: Cross multiply
    200,007.90x = 299,623.05 × 111,102.30
  4. Step 4: Simplify right side
    200,007.90x = 33,288,809,988.02
  5. Step 5: Solve for x
    x = 33,288,809,988.02/200,007.90
  6. Step 6: Final answer
    x = 166,437.48

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1.5x scale

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.