Finding the Fourth Proportional to 382,138.29, 573,220.26 and 171,776.84
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Solution
The fourth proportional to 382,138.29, 573,220.26 and 171,776.84 is: 257,671.02
Step by Step Solution
- Step 1: Write the proportion equation
382,138.29 : 573,220.26 = 171,776.84 : x - Step 2: Convert to fraction form
382,138.29/573,220.26 = 171,776.84/x - Step 3: Cross multiply
382,138.29x = 573,220.26 × 171,776.84 - Step 4: Simplify right side
382,138.29x = 98,465,962,020.68 - Step 5: Solve for x
x = 98,465,962,020.68/382,138.29 - Step 6: Final answer
x = 257,671.02
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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.