Finding the Fourth Proportional to 160,257.06, 221,153.63 and 88,634.43
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Solution
The fourth proportional to 160,257.06, 221,153.63 and 88,634.43 is: 122,314.90
Step by Step Solution
- Step 1: Write the proportion equation
160,257.06 : 221,153.63 = 88,634.43 : x - Step 2: Convert to fraction form
160,257.06/221,153.63 = 88,634.43/x - Step 3: Cross multiply
160,257.06x = 221,153.63 × 88,634.43 - Step 4: Simplify right side
160,257.06x = 19,601,825,494.31 - Step 5: Solve for x
x = 19,601,825,494.31/160,257.06 - Step 6: Final answer
x = 122,314.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.