Finding the Fourth Proportional to 285,232.96, 393,497.88 and 171,992.80
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Solution
The fourth proportional to 285,232.96, 393,497.88 and 171,992.80 is: 237,275.53
Step by Step Solution
- Step 1: Write the proportion equation
285,232.96 : 393,497.88 = 171,992.80 : x - Step 2: Convert to fraction form
285,232.96/393,497.88 = 171,992.80/x - Step 3: Cross multiply
285,232.96x = 393,497.88 × 171,992.80 - Step 4: Simplify right side
285,232.96x = 67,678,802,175.26 - Step 5: Solve for x
x = 67,678,802,175.26/285,232.96 - Step 6: Final answer
x = 237,275.53
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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.