Finding the Fourth Proportional to 370,394.20, 511,136.53 and 207,049.91
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Solution
The fourth proportional to 370,394.20, 511,136.53 and 207,049.91 is: 285,724.69
Step by Step Solution
- Step 1: Write the proportion equation
370,394.20 : 511,136.53 = 207,049.91 : x - Step 2: Convert to fraction form
370,394.20/511,136.53 = 207,049.91/x - Step 3: Cross multiply
370,394.20x = 511,136.53 × 207,049.91 - Step 4: Simplify right side
370,394.20x = 105,830,769,460.91 - Step 5: Solve for x
x = 105,830,769,460.91/370,394.20 - Step 6: Final answer
x = 285,724.69
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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.