Finding the Fourth Proportional to 229,749.55, 344,640.80 and 61,268.99
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Solution
The fourth proportional to 229,749.55, 344,640.80 and 61,268.99 is: 91,907.88
Step by Step Solution
- Step 1: Write the proportion equation
229,749.55 : 344,640.80 = 61,268.99 : x - Step 2: Convert to fraction form
229,749.55/344,640.80 = 61,268.99/x - Step 3: Cross multiply
229,749.55x = 344,640.80 × 61,268.99 - Step 4: Simplify right side
229,749.55x = 21,115,792,560.85 - Step 5: Solve for x
x = 21,115,792,560.85/229,749.55 - Step 6: Final answer
x = 91,907.88
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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.