Finding the Fourth Proportional to 78,738.26, 118,083.17 and 22,563.31
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Solution
The fourth proportional to 78,738.26, 118,083.17 and 22,563.31 is: 33,838.02
Step by Step Solution
- Step 1: Write the proportion equation
78,738.26 : 118,083.17 = 22,563.31 : x - Step 2: Convert to fraction form
78,738.26/118,083.17 = 22,563.31/x - Step 3: Cross multiply
78,738.26x = 118,083.17 × 22,563.31 - Step 4: Simplify right side
78,738.26x = 2,664,347,026.18 - Step 5: Solve for x
x = 2,664,347,026.18/78,738.26 - Step 6: Final answer
x = 33,838.02
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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.