Finding the Fourth Proportional to 382,139.74, 573,210.99 and 115,902.56
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Solution
The fourth proportional to 382,139.74, 573,210.99 and 115,902.56 is: 173,854.26
Step by Step Solution
- Step 1: Write the proportion equation
382,139.74 : 573,210.99 = 115,902.56 : x - Step 2: Convert to fraction form
382,139.74/573,210.99 = 115,902.56/x - Step 3: Cross multiply
382,139.74x = 573,210.99 × 115,902.56 - Step 4: Simplify right side
382,139.74x = 66,436,621,161.13 - Step 5: Solve for x
x = 66,436,621,161.13/382,139.74 - Step 6: Final answer
x = 173,854.26
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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.