Home / 456,042.42-683,694.54-190,002.78

Finding the Fourth Proportional to 456,042.42, 683,694.54 and 190,002.78

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Solution

The fourth proportional to 456,042.42, 683,694.54 and 190,002.78 is: 284,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,042.42 : 683,694.54 = 190,002.78 : x
  2. Step 2: Convert to fraction form
    456,042.42/683,694.54 = 190,002.78/x
  3. Step 3: Cross multiply
    456,042.42x = 683,694.54 × 190,002.78
  4. Step 4: Simplify right side
    456,042.42x = 129,903,863,270.82
  5. Step 5: Solve for x
    x = 129,903,863,270.82/456,042.42
  6. Step 6: Final answer
    x = 284,850.39

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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.