Home / 451,159.11-622,558.17-260,135.60

Finding the Fourth Proportional to 451,159.11, 622,558.17 and 260,135.60

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Solution

The fourth proportional to 451,159.11, 622,558.17 and 260,135.60 is: 358,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,159.11 : 622,558.17 = 260,135.60 : x
  2. Step 2: Convert to fraction form
    451,159.11/622,558.17 = 260,135.60/x
  3. Step 3: Cross multiply
    451,159.11x = 622,558.17 × 260,135.60
  4. Step 4: Simplify right side
    451,159.11x = 161,949,539,975.06
  5. Step 5: Solve for x
    x = 161,949,539,975.06/451,159.11
  6. Step 6: Final answer
    x = 358,963.25

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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.