Finding the Fourth Proportional to 353,435.31, 487,735.37 and 192,286.68
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Solution
The fourth proportional to 353,435.31, 487,735.37 and 192,286.68 is: 265,352.70
Step by Step Solution
- Step 1: Write the proportion equation
353,435.31 : 487,735.37 = 192,286.68 : x - Step 2: Convert to fraction form
353,435.31/487,735.37 = 192,286.68/x - Step 3: Cross multiply
353,435.31x = 487,735.37 × 192,286.68 - Step 4: Simplify right side
353,435.31x = 93,785,014,054.44 - Step 5: Solve for x
x = 93,785,014,054.44/353,435.31 - Step 6: Final answer
x = 265,352.70
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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.