Home / 449,187.20-673,780.80-272,040.20

Finding the Fourth Proportional to 449,187.20, 673,780.80 and 272,040.20

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Solution

The fourth proportional to 449,187.20, 673,780.80 and 272,040.20 is: 408,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,187.20 : 673,780.80 = 272,040.20 : x
  2. Step 2: Convert to fraction form
    449,187.20/673,780.80 = 272,040.20/x
  3. Step 3: Cross multiply
    449,187.20x = 673,780.80 × 272,040.20
  4. Step 4: Simplify right side
    449,187.20x = 183,295,463,588.16
  5. Step 5: Solve for x
    x = 183,295,463,588.16/449,187.20
  6. Step 6: Final answer
    x = 408,060.30

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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.