Finding the Fourth Proportional to 511,300.96, 705,657.15 and 296,450.08
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Solution
The fourth proportional to 511,300.96, 705,657.15 and 296,450.08 is: 409,136.95
Step by Step Solution
- Step 1: Write the proportion equation
511,300.96 : 705,657.15 = 296,450.08 : x - Step 2: Convert to fraction form
511,300.96/705,657.15 = 296,450.08/x - Step 3: Cross multiply
511,300.96x = 705,657.15 × 296,450.08 - Step 4: Simplify right side
511,300.96x = 209,192,116,805.93 - Step 5: Solve for x
x = 209,192,116,805.93/511,300.96 - Step 6: Final answer
x = 409,136.95
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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.