Home / 376,048.50-518,946.93-206,283.03

Finding the Fourth Proportional to 376,048.50, 518,946.93 and 206,283.03

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Solution

The fourth proportional to 376,048.50, 518,946.93 and 206,283.03 is: 284,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,048.50 : 518,946.93 = 206,283.03 : x
  2. Step 2: Convert to fraction form
    376,048.50/518,946.93 = 206,283.03/x
  3. Step 3: Cross multiply
    376,048.50x = 518,946.93 × 206,283.03
  4. Step 4: Simplify right side
    376,048.50x = 107,049,945,129.60
  5. Step 5: Solve for x
    x = 107,049,945,129.60/376,048.50
  6. Step 6: Final answer
    x = 284,670.58

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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.