Finding the Fourth Proportional to 314,465.19, 434,231.73 and 304,297.26
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Solution
The fourth proportional to 314,465.19, 434,231.73 and 304,297.26 is: 420,191.26
Step by Step Solution
- Step 1: Write the proportion equation
314,465.19 : 434,231.73 = 304,297.26 : x - Step 2: Convert to fraction form
314,465.19/434,231.73 = 304,297.26/x - Step 3: Cross multiply
314,465.19x = 434,231.73 × 304,297.26 - Step 4: Simplify right side
314,465.19x = 132,135,525,644.06 - Step 5: Solve for x
x = 132,135,525,644.06/314,465.19 - Step 6: Final answer
x = 420,191.26
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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.