Finding the Fourth Proportional to 370,891.45, 511,830.48 and 201,125.53
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Solution
The fourth proportional to 370,891.45, 511,830.48 and 201,125.53 is: 277,553.38
Step by Step Solution
- Step 1: Write the proportion equation
370,891.45 : 511,830.48 = 201,125.53 : x - Step 2: Convert to fraction form
370,891.45/511,830.48 = 201,125.53/x - Step 3: Cross multiply
370,891.45x = 511,830.48 × 201,125.53 - Step 4: Simplify right side
370,891.45x = 102,942,176,560.15 - Step 5: Solve for x
x = 102,942,176,560.15/370,891.45 - Step 6: Final answer
x = 277,553.38
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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.