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Finding the Fourth Proportional to 133,476.30, 200,208.20 and 38,703.60

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Solution

The fourth proportional to 133,476.30, 200,208.20 and 38,703.60 is: 58,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,476.30 : 200,208.20 = 38,703.60 : x
  2. Step 2: Convert to fraction form
    133,476.30/200,208.20 = 38,703.60/x
  3. Step 3: Cross multiply
    133,476.30x = 200,208.20 × 38,703.60
  4. Step 4: Simplify right side
    133,476.30x = 7,748,777,896.00
  5. Step 5: Solve for x
    x = 7,748,777,896.00/133,476.30
  6. Step 6: Final answer
    x = 58,053.59

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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.