Finding the Fourth Proportional to 136,351.09, 204,537.57 and 47,602.63
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Solution
The fourth proportional to 136,351.09, 204,537.57 and 47,602.63 is: 71,407.76
Step by Step Solution
- Step 1: Write the proportion equation
136,351.09 : 204,537.57 = 47,602.63 : x - Step 2: Convert to fraction form
136,351.09/204,537.57 = 47,602.63/x - Step 3: Cross multiply
136,351.09x = 204,537.57 × 47,602.63 - Step 4: Simplify right side
136,351.09x = 9,736,526,265.81 - Step 5: Solve for x
x = 9,736,526,265.81/136,351.09 - Step 6: Final answer
x = 71,407.76
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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.