Finding the Fourth Proportional to 198,982.29, 274,506.84 and 134,430.78
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Solution
The fourth proportional to 198,982.29, 274,506.84 and 134,430.78 is: 185,454.54
Step by Step Solution
- Step 1: Write the proportion equation
198,982.29 : 274,506.84 = 134,430.78 : x - Step 2: Convert to fraction form
198,982.29/274,506.84 = 134,430.78/x - Step 3: Cross multiply
198,982.29x = 274,506.84 × 134,430.78 - Step 4: Simplify right side
198,982.29x = 36,902,168,616.54 - Step 5: Solve for x
x = 36,902,168,616.54/198,982.29 - Step 6: Final answer
x = 185,454.54
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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.