Finding the Fourth Proportional to 310,772.44, 430,490.24 and 304,473.88
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Solution
The fourth proportional to 310,772.44, 430,490.24 and 304,473.88 is: 421,765.31
Step by Step Solution
- Step 1: Write the proportion equation
310,772.44 : 430,490.24 = 304,473.88 : x - Step 2: Convert to fraction form
310,772.44/430,490.24 = 304,473.88/x - Step 3: Cross multiply
310,772.44x = 430,490.24 × 304,473.88 - Step 4: Simplify right side
310,772.44x = 131,073,033,674.93 - Step 5: Solve for x
x = 131,073,033,674.93/310,772.44 - Step 6: Final answer
x = 421,765.31
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.