Finding the Fourth Proportional to 154,550.43, 213,250.73 and 90,864.99
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Solution
The fourth proportional to 154,550.43, 213,250.73 and 90,864.99 is: 125,376.71
Step by Step Solution
- Step 1: Write the proportion equation
154,550.43 : 213,250.73 = 90,864.99 : x - Step 2: Convert to fraction form
154,550.43/213,250.73 = 90,864.99/x - Step 3: Cross multiply
154,550.43x = 213,250.73 × 90,864.99 - Step 4: Simplify right side
154,550.43x = 19,377,024,994.62 - Step 5: Solve for x
x = 19,377,024,994.62/154,550.43 - Step 6: Final answer
x = 125,376.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.