Finding the Fourth Proportional to 304,787.57, 420,812.36 and 190,240.70
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Solution
The fourth proportional to 304,787.57, 420,812.36 and 190,240.70 is: 262,660.44
Step by Step Solution
- Step 1: Write the proportion equation
304,787.57 : 420,812.36 = 190,240.70 : x - Step 2: Convert to fraction form
304,787.57/420,812.36 = 190,240.70/x - Step 3: Cross multiply
304,787.57x = 420,812.36 × 190,240.70 - Step 4: Simplify right side
304,787.57x = 80,055,634,879.79 - Step 5: Solve for x
x = 80,055,634,879.79/304,787.57 - Step 6: Final answer
x = 262,660.44
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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.