Home / 419,042.02-578,266.87-228,051.30

Finding the Fourth Proportional to 419,042.02, 578,266.87 and 228,051.30

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Solution

The fourth proportional to 419,042.02, 578,266.87 and 228,051.30 is: 314,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,042.02 : 578,266.87 = 228,051.30 : x
  2. Step 2: Convert to fraction form
    419,042.02/578,266.87 = 228,051.30/x
  3. Step 3: Cross multiply
    419,042.02x = 578,266.87 × 228,051.30
  4. Step 4: Simplify right side
    419,042.02x = 131,874,511,450.43
  5. Step 5: Solve for x
    x = 131,874,511,450.43/419,042.02
  6. Step 6: Final answer
    x = 314,704.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.