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Finding the Fourth Proportional to 201,637.03, 302,455.56 and 83,311.42

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Solution

The fourth proportional to 201,637.03, 302,455.56 and 83,311.42 is: 124,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,637.03 : 302,455.56 = 83,311.42 : x
  2. Step 2: Convert to fraction form
    201,637.03/302,455.56 = 83,311.42/x
  3. Step 3: Cross multiply
    201,637.03x = 302,455.56 × 83,311.42
  4. Step 4: Simplify right side
    201,637.03x = 25,198,002,190.50
  5. Step 5: Solve for x
    x = 25,198,002,190.50/201,637.03
  6. Step 6: Final answer
    x = 124,967.14

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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.