Finding the Fourth Proportional to 382,281.75, 573,491.79 and 157,517.19
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Solution
The fourth proportional to 382,281.75, 573,491.79 and 157,517.19 is: 236,304.28
Step by Step Solution
- Step 1: Write the proportion equation
382,281.75 : 573,491.79 = 157,517.19 : x - Step 2: Convert to fraction form
382,281.75/573,491.79 = 157,517.19/x - Step 3: Cross multiply
382,281.75x = 573,491.79 × 157,517.19 - Step 4: Simplify right side
382,281.75x = 90,334,815,248.87 - Step 5: Solve for x
x = 90,334,815,248.87/382,281.75 - Step 6: Final answer
x = 236,304.28
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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.