Home / 397,827.36-548,985.60-227,943.36

Finding the Fourth Proportional to 397,827.36, 548,985.60 and 227,943.36

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Solution

The fourth proportional to 397,827.36, 548,985.60 and 227,943.36 is: 314,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,827.36 : 548,985.60 = 227,943.36 : x
  2. Step 2: Convert to fraction form
    397,827.36/548,985.60 = 227,943.36/x
  3. Step 3: Cross multiply
    397,827.36x = 548,985.60 × 227,943.36
  4. Step 4: Simplify right side
    397,827.36x = 125,137,622,255.62
  5. Step 5: Solve for x
    x = 125,137,622,255.62/397,827.36
  6. Step 6: Final answer
    x = 314,552.58

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1.5x scale

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.