Finding the Fourth Proportional to 146,770.07, 202,473.15 and 99,038.80
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Solution
The fourth proportional to 146,770.07, 202,473.15 and 99,038.80 is: 136,626.61
Step by Step Solution
- Step 1: Write the proportion equation
146,770.07 : 202,473.15 = 99,038.80 : x - Step 2: Convert to fraction form
146,770.07/202,473.15 = 99,038.80/x - Step 3: Cross multiply
146,770.07x = 202,473.15 × 99,038.80 - Step 4: Simplify right side
146,770.07x = 20,052,696,795.85 - Step 5: Solve for x
x = 20,052,696,795.85/146,770.07 - Step 6: Final answer
x = 136,626.61
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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.