Finding the Fourth Proportional to 388,129.84, 582,261.18 and 177,785.80
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Solution
The fourth proportional to 388,129.84, 582,261.18 and 177,785.80 is: 266,709.12
Step by Step Solution
- Step 1: Write the proportion equation
388,129.84 : 582,261.18 = 177,785.80 : x - Step 2: Convert to fraction form
388,129.84/582,261.18 = 177,785.80/x - Step 3: Cross multiply
388,129.84x = 582,261.18 × 177,785.80 - Step 4: Simplify right side
388,129.84x = 103,517,769,695.24 - Step 5: Solve for x
x = 103,517,769,695.24/388,129.84 - Step 6: Final answer
x = 266,709.12
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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.