Home / 208,976.02-313,464.04-51,203.12

Finding the Fourth Proportional to 208,976.02, 313,464.04 and 51,203.12

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Solution

The fourth proportional to 208,976.02, 313,464.04 and 51,203.12 is: 76,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,976.02 : 313,464.04 = 51,203.12 : x
  2. Step 2: Convert to fraction form
    208,976.02/313,464.04 = 51,203.12/x
  3. Step 3: Cross multiply
    208,976.02x = 313,464.04 × 51,203.12
  4. Step 4: Simplify right side
    208,976.02x = 16,050,335,160.48
  5. Step 5: Solve for x
    x = 16,050,335,160.48/208,976.02
  6. Step 6: Final answer
    x = 76,804.68

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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.