Finding the Fourth Proportional to 268,396.08, 370,391.19 and 147,542.46
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Solution
The fourth proportional to 268,396.08, 370,391.19 and 147,542.46 is: 203,611.12
Step by Step Solution
- Step 1: Write the proportion equation
268,396.08 : 370,391.19 = 147,542.46 : x - Step 2: Convert to fraction form
268,396.08/370,391.19 = 147,542.46/x - Step 3: Cross multiply
268,396.08x = 370,391.19 × 147,542.46 - Step 4: Simplify right side
268,396.08x = 54,648,425,392.68 - Step 5: Solve for x
x = 54,648,425,392.68/268,396.08 - Step 6: Final answer
x = 203,611.12
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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.