Finding the Fourth Proportional to 370,795.51, 511,694.71 and 209,682.19
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Solution
The fourth proportional to 370,795.51, 511,694.71 and 209,682.19 is: 289,359.67
Step by Step Solution
- Step 1: Write the proportion equation
370,795.51 : 511,694.71 = 209,682.19 : x - Step 2: Convert to fraction form
370,795.51/511,694.71 = 209,682.19/x - Step 3: Cross multiply
370,795.51x = 511,694.71 × 209,682.19 - Step 4: Simplify right side
370,795.51x = 107,293,267,404.22 - Step 5: Solve for x
x = 107,293,267,404.22/370,795.51 - Step 6: Final answer
x = 289,359.67
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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.