Finding the Fourth Proportional to 388,439.04, 582,459.84 and 177,896.55
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Solution
The fourth proportional to 388,439.04, 582,459.84 and 177,896.55 is: 266,753.82
Step by Step Solution
- Step 1: Write the proportion equation
388,439.04 : 582,459.84 = 177,896.55 : x - Step 2: Convert to fraction form
388,439.04/582,459.84 = 177,896.55/x - Step 3: Cross multiply
388,439.04x = 582,459.84 × 177,896.55 - Step 4: Simplify right side
388,439.04x = 103,617,596,049.55 - Step 5: Solve for x
x = 103,617,596,049.55/388,439.04 - Step 6: Final answer
x = 266,753.82
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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.