Finding the Fourth Proportional to 314,213.26, 433,619.49 and 170,974.03
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Solution
The fourth proportional to 314,213.26, 433,619.49 and 170,974.03 is: 235,946.99
Step by Step Solution
- Step 1: Write the proportion equation
314,213.26 : 433,619.49 = 170,974.03 : x - Step 2: Convert to fraction form
314,213.26/433,619.49 = 170,974.03/x - Step 3: Cross multiply
314,213.26x = 433,619.49 × 170,974.03 - Step 4: Simplify right side
314,213.26x = 74,137,671,691.84 - Step 5: Solve for x
x = 74,137,671,691.84/314,213.26 - Step 6: Final answer
x = 235,946.99
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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.