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Finding the Fourth Proportional to 303,669.56, 455,455.12 and 135,150.27

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Solution

The fourth proportional to 303,669.56, 455,455.12 and 135,150.27 is: 202,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,669.56 : 455,455.12 = 135,150.27 : x
  2. Step 2: Convert to fraction form
    303,669.56/455,455.12 = 135,150.27/x
  3. Step 3: Cross multiply
    303,669.56x = 455,455.12 × 135,150.27
  4. Step 4: Simplify right side
    303,669.56x = 61,554,882,440.88
  5. Step 5: Solve for x
    x = 61,554,882,440.88/303,669.56
  6. Step 6: Final answer
    x = 202,703.50

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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.