Finding the Fourth Proportional to 301,539.58, 416,039.70 and 194,171.74
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Solution
The fourth proportional to 301,539.58, 416,039.70 and 194,171.74 is: 267,902.32
Step by Step Solution
- Step 1: Write the proportion equation
301,539.58 : 416,039.70 = 194,171.74 : x - Step 2: Convert to fraction form
301,539.58/416,039.70 = 194,171.74/x - Step 3: Cross multiply
301,539.58x = 416,039.70 × 194,171.74 - Step 4: Simplify right side
301,539.58x = 80,783,152,458.08 - Step 5: Solve for x
x = 80,783,152,458.08/301,539.58 - Step 6: Final answer
x = 267,902.32
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1.5x scale
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.