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Finding the Fourth Proportional to 201,797.43, 302,488.45 and 89,530.51

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Solution

The fourth proportional to 201,797.43, 302,488.45 and 89,530.51 is: 134,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,797.43 : 302,488.45 = 89,530.51 : x
  2. Step 2: Convert to fraction form
    201,797.43/302,488.45 = 89,530.51/x
  3. Step 3: Cross multiply
    201,797.43x = 302,488.45 × 89,530.51
  4. Step 4: Simplify right side
    201,797.43x = 27,081,945,197.61
  5. Step 5: Solve for x
    x = 27,081,945,197.61/201,797.43
  6. Step 6: Final answer
    x = 134,203.62

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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.