Home / 449,820.02-674,396.71-272,285.03

Finding the Fourth Proportional to 449,820.02, 674,396.71 and 272,285.03

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Solution

The fourth proportional to 449,820.02, 674,396.71 and 272,285.03 is: 408,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,820.02 : 674,396.71 = 272,285.03 : x
  2. Step 2: Convert to fraction form
    449,820.02/674,396.71 = 272,285.03/x
  3. Step 3: Cross multiply
    449,820.02x = 674,396.71 × 272,285.03
  4. Step 4: Simplify right side
    449,820.02x = 183,628,128,414.25
  5. Step 5: Solve for x
    x = 183,628,128,414.25/449,820.02
  6. Step 6: Final answer
    x = 408,225.78

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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.