Finding the Fourth Proportional to 317,747.25, 438,530.09 and 183,611.25
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Solution
The fourth proportional to 317,747.25, 438,530.09 and 183,611.25 is: 253,405.99
Step by Step Solution
- Step 1: Write the proportion equation
317,747.25 : 438,530.09 = 183,611.25 : x - Step 2: Convert to fraction form
317,747.25/438,530.09 = 183,611.25/x - Step 3: Cross multiply
317,747.25x = 438,530.09 × 183,611.25 - Step 4: Simplify right side
317,747.25x = 80,519,057,069.46 - Step 5: Solve for x
x = 80,519,057,069.46/317,747.25 - Step 6: Final answer
x = 253,405.99
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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.