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Finding the Fourth Proportional to 300,005.40, 450,051.30 and 159,774.60

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Solution

The fourth proportional to 300,005.40, 450,051.30 and 159,774.60 is: 239,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,005.40 : 450,051.30 = 159,774.60 : x
  2. Step 2: Convert to fraction form
    300,005.40/450,051.30 = 159,774.60/x
  3. Step 3: Cross multiply
    300,005.40x = 450,051.30 × 159,774.60
  4. Step 4: Simplify right side
    300,005.40x = 71,906,766,436.98
  5. Step 5: Solve for x
    x = 71,906,766,436.98/300,005.40
  6. Step 6: Final answer
    x = 239,684.91

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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.