Finding the Fourth Proportional to 194,787.15, 292,235.40 and 94,950.60
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Solution
The fourth proportional to 194,787.15, 292,235.40 and 94,950.60 is: 142,452.55
Step by Step Solution
- Step 1: Write the proportion equation
194,787.15 : 292,235.40 = 94,950.60 : x - Step 2: Convert to fraction form
194,787.15/292,235.40 = 94,950.60/x - Step 3: Cross multiply
194,787.15x = 292,235.40 × 94,950.60 - Step 4: Simplify right side
194,787.15x = 27,747,926,571.24 - Step 5: Solve for x
x = 27,747,926,571.24/194,787.15 - Step 6: Final answer
x = 142,452.55
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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.