Finding the Fourth Proportional to 146,651.08, 202,378.62 and 79,583.08
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Solution
The fourth proportional to 146,651.08, 202,378.62 and 79,583.08 is: 109,824.72
Step by Step Solution
- Step 1: Write the proportion equation
146,651.08 : 202,378.62 = 79,583.08 : x - Step 2: Convert to fraction form
146,651.08/202,378.62 = 79,583.08/x - Step 3: Cross multiply
146,651.08x = 202,378.62 × 79,583.08 - Step 4: Simplify right side
146,651.08x = 16,105,913,905.75 - Step 5: Solve for x
x = 16,105,913,905.75/146,651.08 - Step 6: Final answer
x = 109,824.72
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1.5x scale
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.