Finding the Fourth Proportional to 427,509.36, 589,941.36 and 233,912.88
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Solution
The fourth proportional to 427,509.36, 589,941.36 and 233,912.88 is: 322,787.98
Step by Step Solution
- Step 1: Write the proportion equation
427,509.36 : 589,941.36 = 233,912.88 : x - Step 2: Convert to fraction form
427,509.36/589,941.36 = 233,912.88/x - Step 3: Cross multiply
427,509.36x = 589,941.36 × 233,912.88 - Step 4: Simplify right side
427,509.36x = 137,994,882,548.72 - Step 5: Solve for x
x = 137,994,882,548.72/427,509.36 - Step 6: Final answer
x = 322,787.98
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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.