Finding the Fourth Proportional to 268,378.94, 370,382.28 and 160,947.02
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Solution
The fourth proportional to 268,378.94, 370,382.28 and 160,947.02 is: 222,118.49
Step by Step Solution
- Step 1: Write the proportion equation
268,378.94 : 370,382.28 = 160,947.02 : x - Step 2: Convert to fraction form
268,378.94/370,382.28 = 160,947.02/x - Step 3: Cross multiply
268,378.94x = 370,382.28 × 160,947.02 - Step 4: Simplify right side
268,378.94x = 59,611,924,226.81 - Step 5: Solve for x
x = 59,611,924,226.81/268,378.94 - Step 6: Final answer
x = 222,118.49
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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.