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Finding the Fourth Proportional to 200,160.28, 275,903.58 and 157,651.48

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Solution

The fourth proportional to 200,160.28, 275,903.58 and 157,651.48 is: 217,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,160.28 : 275,903.58 = 157,651.48 : x
  2. Step 2: Convert to fraction form
    200,160.28/275,903.58 = 157,651.48/x
  3. Step 3: Cross multiply
    200,160.28x = 275,903.58 × 157,651.48
  4. Step 4: Simplify right side
    200,160.28x = 43,496,607,724.30
  5. Step 5: Solve for x
    x = 43,496,607,724.30/200,160.28
  6. Step 6: Final answer
    x = 217,308.89

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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.