Finding the Fourth Proportional to 268,952.20, 370,878.98 and 178,276.68
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Solution
The fourth proportional to 268,952.20, 370,878.98 and 178,276.68 is: 245,839.50
Step by Step Solution
- Step 1: Write the proportion equation
268,952.20 : 370,878.98 = 178,276.68 : x - Step 2: Convert to fraction form
268,952.20/370,878.98 = 178,276.68/x - Step 3: Cross multiply
268,952.20x = 370,878.98 × 178,276.68 - Step 4: Simplify right side
268,952.20x = 66,119,073,236.19 - Step 5: Solve for x
x = 66,119,073,236.19/268,952.20 - Step 6: Final answer
x = 245,839.50
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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.