Finding the Fourth Proportional to 160,702.36, 221,769.30 and 89,093.08
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Solution
The fourth proportional to 160,702.36, 221,769.30 and 89,093.08 is: 122,948.47
Step by Step Solution
- Step 1: Write the proportion equation
160,702.36 : 221,769.30 = 89,093.08 : x - Step 2: Convert to fraction form
160,702.36/221,769.30 = 89,093.08/x - Step 3: Cross multiply
160,702.36x = 221,769.30 × 89,093.08 - Step 4: Simplify right side
160,702.36x = 19,758,109,986.44 - Step 5: Solve for x
x = 19,758,109,986.44/160,702.36 - Step 6: Final answer
x = 122,948.47
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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.