Finding the Fourth Proportional to 136,600.70, 204,851.84 and 57,721.07
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Solution
The fourth proportional to 136,600.70, 204,851.84 and 57,721.07 is: 86,560.82
Step by Step Solution
- Step 1: Write the proportion equation
136,600.70 : 204,851.84 = 57,721.07 : x - Step 2: Convert to fraction form
136,600.70/204,851.84 = 57,721.07/x - Step 3: Cross multiply
136,600.70x = 204,851.84 × 57,721.07 - Step 4: Simplify right side
136,600.70x = 11,824,267,619.79 - Step 5: Solve for x
x = 11,824,267,619.79/136,600.70 - Step 6: Final answer
x = 86,560.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.