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Finding the Fourth Proportional to 201,103.77, 301,651.05 and 101,237.15

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Solution

The fourth proportional to 201,103.77, 301,651.05 and 101,237.15 is: 151,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,103.77 : 301,651.05 = 101,237.15 : x
  2. Step 2: Convert to fraction form
    201,103.77/301,651.05 = 101,237.15/x
  3. Step 3: Cross multiply
    201,103.77x = 301,651.05 × 101,237.15
  4. Step 4: Simplify right side
    201,103.77x = 30,538,292,596.51
  5. Step 5: Solve for x
    x = 30,538,292,596.51/201,103.77
  6. Step 6: Final answer
    x = 151,853.41

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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.