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Finding the Fourth Proportional to 201,469.40, 302,204.10 and 83,101.40

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Solution

The fourth proportional to 201,469.40, 302,204.10 and 83,101.40 is: 124,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,469.40 : 302,204.10 = 83,101.40 : x
  2. Step 2: Convert to fraction form
    201,469.40/302,204.10 = 83,101.40/x
  3. Step 3: Cross multiply
    201,469.40x = 302,204.10 × 83,101.40
  4. Step 4: Simplify right side
    201,469.40x = 25,113,583,795.74
  5. Step 5: Solve for x
    x = 25,113,583,795.74/201,469.40
  6. Step 6: Final answer
    x = 124,652.10

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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.