Finding the Fourth Proportional to 399,706.72, 551,626.73 and 227,631.97
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Solution
The fourth proportional to 399,706.72, 551,626.73 and 227,631.97 is: 314,150.03
Step by Step Solution
- Step 1: Write the proportion equation
399,706.72 : 551,626.73 = 227,631.97 : x - Step 2: Convert to fraction form
399,706.72/551,626.73 = 227,631.97/x - Step 3: Cross multiply
399,706.72x = 551,626.73 × 227,631.97 - Step 4: Simplify right side
399,706.72x = 125,567,879,254.56 - Step 5: Solve for x
x = 125,567,879,254.56/399,706.72 - Step 6: Final answer
x = 314,150.03
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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.