Finding the Fourth Proportional to 146,891.19, 220,336.80 and 96,959.63
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Solution
The fourth proportional to 146,891.19, 220,336.80 and 96,959.63 is: 145,439.45
Step by Step Solution
- Step 1: Write the proportion equation
146,891.19 : 220,336.80 = 96,959.63 : x - Step 2: Convert to fraction form
146,891.19/220,336.80 = 96,959.63/x - Step 3: Cross multiply
146,891.19x = 220,336.80 × 96,959.63 - Step 4: Simplify right side
146,891.19x = 21,363,773,501.70 - Step 5: Solve for x
x = 21,363,773,501.70/146,891.19 - Step 6: Final answer
x = 145,439.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.