Home / 300,305,504.70-450,458,257.05-235,808,250.30

Finding the Fourth Proportional to 300,305,504.70, 450,458,257.05 and 235,808,250.30

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Solution

The fourth proportional to 300,305,504.70, 450,458,257.05 and 235,808,250.30 is: 353,712,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,305,504.70 : 450,458,257.05 = 235,808,250.30 : x
  2. Step 2: Convert to fraction form
    300,305,504.70/450,458,257.05 = 235,808,250.30/x
  3. Step 3: Cross multiply
    300,305,504.70x = 450,458,257.05 × 235,808,250.30
  4. Step 4: Simplify right side
    300,305,504.70x = 106,221,773,428,148,144
  5. Step 5: Solve for x
    x = 106,221,773,428,148,144/300,305,504.70
  6. Step 6: Final answer
    x = 353,712,375.45

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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.