Home / 756,107.06-1,134,169.79-223,638.84

Finding the Fourth Proportional to 756,107.06, 1,134,169.79 and 223,638.84

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Solution

The fourth proportional to 756,107.06, 1,134,169.79 and 223,638.84 is: 335,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,107.06 : 1,134,169.79 = 223,638.84 : x
  2. Step 2: Convert to fraction form
    756,107.06/1,134,169.79 = 223,638.84/x
  3. Step 3: Cross multiply
    756,107.06x = 1,134,169.79 × 223,638.84
  4. Step 4: Simplify right side
    756,107.06x = 253,644,415,080.45
  5. Step 5: Solve for x
    x = 253,644,415,080.45/756,107.06
  6. Step 6: Final answer
    x = 335,460.98

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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.