Finding the Fourth Proportional to 146,806.88, 202,590.20 and 85,549.28
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Solution
The fourth proportional to 146,806.88, 202,590.20 and 85,549.28 is: 118,056.09
Step by Step Solution
- Step 1: Write the proportion equation
146,806.88 : 202,590.20 = 85,549.28 : x - Step 2: Convert to fraction form
146,806.88/202,590.20 = 85,549.28/x - Step 3: Cross multiply
146,806.88x = 202,590.20 × 85,549.28 - Step 4: Simplify right side
146,806.88x = 17,331,445,745.06 - Step 5: Solve for x
x = 17,331,445,745.06/146,806.88 - Step 6: Final answer
x = 118,056.09
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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.