Finding the Fourth Proportional to 370,827.74, 511,657.20 and 209,647.67
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Solution
The fourth proportional to 370,827.74, 511,657.20 and 209,647.67 is: 289,265.68
Step by Step Solution
- Step 1: Write the proportion equation
370,827.74 : 511,657.20 = 209,647.67 : x - Step 2: Convert to fraction form
370,827.74/511,657.20 = 209,647.67/x - Step 3: Cross multiply
370,827.74x = 511,657.20 × 209,647.67 - Step 4: Simplify right side
370,827.74x = 107,267,737,260.44 - Step 5: Solve for x
x = 107,267,737,260.44/370,827.74 - Step 6: Final answer
x = 289,265.68
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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.