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Finding the Fourth Proportional to 201,618.78, 302,383.07 and 59,433.72

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Solution

The fourth proportional to 201,618.78, 302,383.07 and 59,433.72 is: 89,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,618.78 : 302,383.07 = 59,433.72 : x
  2. Step 2: Convert to fraction form
    201,618.78/302,383.07 = 59,433.72/x
  3. Step 3: Cross multiply
    201,618.78x = 302,383.07 × 59,433.72
  4. Step 4: Simplify right side
    201,618.78x = 17,971,750,417.95
  5. Step 5: Solve for x
    x = 17,971,750,417.95/201,618.78
  6. Step 6: Final answer
    x = 89,137.28

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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.