Finding the Fourth Proportional to 268,612.94, 370,678.05 and 147,754.19
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Solution
The fourth proportional to 268,612.94, 370,678.05 and 147,754.19 is: 203,896.48
Step by Step Solution
- Step 1: Write the proportion equation
268,612.94 : 370,678.05 = 147,754.19 : x - Step 2: Convert to fraction form
268,612.94/370,678.05 = 147,754.19/x - Step 3: Cross multiply
268,612.94x = 370,678.05 × 147,754.19 - Step 4: Simplify right side
268,612.94x = 54,769,233,175.14 - Step 5: Solve for x
x = 54,769,233,175.14/268,612.94 - Step 6: Final answer
x = 203,896.48
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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.