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Finding the Fourth Proportional to 201,650.40, 302,402.70 and 101,777.40

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Solution

The fourth proportional to 201,650.40, 302,402.70 and 101,777.40 is: 152,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,650.40 : 302,402.70 = 101,777.40 : x
  2. Step 2: Convert to fraction form
    201,650.40/302,402.70 = 101,777.40/x
  3. Step 3: Cross multiply
    201,650.40x = 302,402.70 × 101,777.40
  4. Step 4: Simplify right side
    201,650.40x = 30,777,760,558.98
  5. Step 5: Solve for x
    x = 30,777,760,558.98/201,650.40
  6. Step 6: Final answer
    x = 152,629.31

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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.