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Finding the Fourth Proportional to 300,006.80, 450,010.20 and 194,944.40

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Solution

The fourth proportional to 300,006.80, 450,010.20 and 194,944.40 is: 292,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,006.80 : 450,010.20 = 194,944.40 : x
  2. Step 2: Convert to fraction form
    300,006.80/450,010.20 = 194,944.40/x
  3. Step 3: Cross multiply
    300,006.80x = 450,010.20 × 194,944.40
  4. Step 4: Simplify right side
    300,006.80x = 87,726,968,432.88
  5. Step 5: Solve for x
    x = 87,726,968,432.88/300,006.80
  6. Step 6: Final answer
    x = 292,416.60

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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.