Finding the Fourth Proportional to 388,277.24, 582,455.62 and 148,592.75
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Solution
The fourth proportional to 388,277.24, 582,455.62 and 148,592.75 is: 222,904.33
Step by Step Solution
- Step 1: Write the proportion equation
388,277.24 : 582,455.62 = 148,592.75 : x - Step 2: Convert to fraction form
388,277.24/582,455.62 = 148,592.75/x - Step 3: Cross multiply
388,277.24x = 582,455.62 × 148,592.75 - Step 4: Simplify right side
388,277.24x = 86,548,679,416.48 - Step 5: Solve for x
x = 86,548,679,416.48/388,277.24 - Step 6: Final answer
x = 222,904.33
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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.