Finding the Fourth Proportional to 160,543.10, 221,515.35 and 96,879.80
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Solution
The fourth proportional to 160,543.10, 221,515.35 and 96,879.80 is: 133,673.53
Step by Step Solution
- Step 1: Write the proportion equation
160,543.10 : 221,515.35 = 96,879.80 : x - Step 2: Convert to fraction form
160,543.10/221,515.35 = 96,879.80/x - Step 3: Cross multiply
160,543.10x = 221,515.35 × 96,879.80 - Step 4: Simplify right side
160,543.10x = 21,460,362,804.93 - Step 5: Solve for x
x = 21,460,362,804.93/160,543.10 - Step 6: Final answer
x = 133,673.53
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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.