Finding the Fourth Proportional to 146,982.48, 202,935.96 and 98,656.80
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Solution
The fourth proportional to 146,982.48, 202,935.96 and 98,656.80 is: 136,213.60
Step by Step Solution
- Step 1: Write the proportion equation
146,982.48 : 202,935.96 = 98,656.80 : x - Step 2: Convert to fraction form
146,982.48/202,935.96 = 98,656.80/x - Step 3: Cross multiply
146,982.48x = 202,935.96 × 98,656.80 - Step 4: Simplify right side
146,982.48x = 20,021,012,418.53 - Step 5: Solve for x
x = 20,021,012,418.53/146,982.48 - Step 6: Final answer
x = 136,213.60
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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.