Finding the Fourth Proportional to 268,784.75, 370,915.08 and 147,925.97
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Solution
The fourth proportional to 268,784.75, 370,915.08 and 147,925.97 is: 204,133.50
Step by Step Solution
- Step 1: Write the proportion equation
268,784.75 : 370,915.08 = 147,925.97 : x - Step 2: Convert to fraction form
268,784.75/370,915.08 = 147,925.97/x - Step 3: Cross multiply
268,784.75x = 370,915.08 × 147,925.97 - Step 4: Simplify right side
268,784.75x = 54,867,971,142.05 - Step 5: Solve for x
x = 54,867,971,142.05/268,784.75 - Step 6: Final answer
x = 204,133.50
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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.