Finding the Fourth Proportional to 405,813.62, 608,796.97 and 125,265.26
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Solution
The fourth proportional to 405,813.62, 608,796.97 and 125,265.26 is: 187,921.52
Step by Step Solution
- Step 1: Write the proportion equation
405,813.62 : 608,796.97 = 125,265.26 : x - Step 2: Convert to fraction form
405,813.62/608,796.97 = 125,265.26/x - Step 3: Cross multiply
405,813.62x = 608,796.97 × 125,265.26 - Step 4: Simplify right side
405,813.62x = 76,261,110,734.26 - Step 5: Solve for x
x = 76,261,110,734.26/405,813.62 - Step 6: Final answer
x = 187,921.52
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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.