Finding the Fourth Proportional to 304,787.94, 420,812.87 and 190,241.07
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Solution
The fourth proportional to 304,787.94, 420,812.87 and 190,241.07 is: 262,660.95
Step by Step Solution
- Step 1: Write the proportion equation
304,787.94 : 420,812.87 = 190,241.07 : x - Step 2: Convert to fraction form
304,787.94/420,812.87 = 190,241.07/x - Step 3: Cross multiply
304,787.94x = 420,812.87 × 190,241.07 - Step 4: Simplify right side
304,787.94x = 80,055,889,707.37 - Step 5: Solve for x
x = 80,055,889,707.37/304,787.94 - Step 6: Final answer
x = 262,660.95
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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.