Finding the Fourth Proportional to 388,258.08, 582,527.24 and 135,575.80
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Solution
The fourth proportional to 388,258.08, 582,527.24 and 135,575.80 is: 203,412.63
Step by Step Solution
- Step 1: Write the proportion equation
388,258.08 : 582,527.24 = 135,575.80 : x - Step 2: Convert to fraction form
388,258.08/582,527.24 = 135,575.80/x - Step 3: Cross multiply
388,258.08x = 582,527.24 × 135,575.80 - Step 4: Simplify right side
388,258.08x = 78,976,596,584.79 - Step 5: Solve for x
x = 78,976,596,584.79/388,258.08 - Step 6: Final answer
x = 203,412.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.