Finding the Fourth Proportional to 268,049.24, 369,913.08 and 147,202.88
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Solution
The fourth proportional to 268,049.24, 369,913.08 and 147,202.88 is: 203,142.79
Step by Step Solution
- Step 1: Write the proportion equation
268,049.24 : 369,913.08 = 147,202.88 : x - Step 2: Convert to fraction form
268,049.24/369,913.08 = 147,202.88/x - Step 3: Cross multiply
268,049.24x = 369,913.08 × 147,202.88 - Step 4: Simplify right side
268,049.24x = 54,452,270,725.67 - Step 5: Solve for x
x = 54,452,270,725.67/268,049.24 - Step 6: Final answer
x = 203,142.79
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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.