Finding the Fourth Proportional to 382,849.80, 574,274.70 and 98,539.80
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Solution
The fourth proportional to 382,849.80, 574,274.70 and 98,539.80 is: 147,809.70
Step by Step Solution
- Step 1: Write the proportion equation
382,849.80 : 574,274.70 = 98,539.80 : x - Step 2: Convert to fraction form
382,849.80/574,274.70 = 98,539.80/x - Step 3: Cross multiply
382,849.80x = 574,274.70 × 98,539.80 - Step 4: Simplify right side
382,849.80x = 56,588,914,083.06 - Step 5: Solve for x
x = 56,588,914,083.06/382,849.80 - Step 6: Final answer
x = 147,809.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.