Finding the Fourth Proportional to 132,894.56, 199,307.84 and 39,378.48
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Solution
The fourth proportional to 132,894.56, 199,307.84 and 39,378.48 is: 59,057.65
Step by Step Solution
- Step 1: Write the proportion equation
132,894.56 : 199,307.84 = 39,378.48 : x - Step 2: Convert to fraction form
132,894.56/199,307.84 = 39,378.48/x - Step 3: Cross multiply
132,894.56x = 199,307.84 × 39,378.48 - Step 4: Simplify right side
132,894.56x = 7,848,439,791.28 - Step 5: Solve for x
x = 7,848,439,791.28/132,894.56 - Step 6: Final answer
x = 59,057.65
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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.