Finding the Fourth Proportional to 382,274.62, 573,053.81 and 129,378.06
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Solution
The fourth proportional to 382,274.62, 573,053.81 and 129,378.06 is: 193,945.88
Step by Step Solution
- Step 1: Write the proportion equation
382,274.62 : 573,053.81 = 129,378.06 : x - Step 2: Convert to fraction form
382,274.62/573,053.81 = 129,378.06/x - Step 3: Cross multiply
382,274.62x = 573,053.81 × 129,378.06 - Step 4: Simplify right side
382,274.62x = 74,140,590,248.79 - Step 5: Solve for x
x = 74,140,590,248.79/382,274.62 - Step 6: Final answer
x = 193,945.88
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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.