Home / 449,035.20-673,646.40-149,608.80

Finding the Fourth Proportional to 449,035.20, 673,646.40 and 149,608.80

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Solution

The fourth proportional to 449,035.20, 673,646.40 and 149,608.80 is: 224,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,035.20 : 673,646.40 = 149,608.80 : x
  2. Step 2: Convert to fraction form
    449,035.20/673,646.40 = 149,608.80/x
  3. Step 3: Cross multiply
    449,035.20x = 673,646.40 × 149,608.80
  4. Step 4: Simplify right side
    449,035.20x = 100,783,429,528.32
  5. Step 5: Solve for x
    x = 100,783,429,528.32/449,035.20
  6. Step 6: Final answer
    x = 224,444.39

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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.