Home / 619,396.02-929,186.46-220,003.20

Finding the Fourth Proportional to 619,396.02, 929,186.46 and 220,003.20

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Solution

The fourth proportional to 619,396.02, 929,186.46 and 220,003.20 is: 330,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,396.02 : 929,186.46 = 220,003.20 : x
  2. Step 2: Convert to fraction form
    619,396.02/929,186.46 = 220,003.20/x
  3. Step 3: Cross multiply
    619,396.02x = 929,186.46 × 220,003.20
  4. Step 4: Simplify right side
    619,396.02x = 204,423,994,596.67
  5. Step 5: Solve for x
    x = 204,423,994,596.67/619,396.02
  6. Step 6: Final answer
    x = 330,037.63

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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.