Finding the Fourth Proportional to 304,129.14, 419,695.74 and 168,169.02
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Solution
The fourth proportional to 304,129.14, 419,695.74 and 168,169.02 is: 232,071.88
Step by Step Solution
- Step 1: Write the proportion equation
304,129.14 : 419,695.74 = 168,169.02 : x - Step 2: Convert to fraction form
304,129.14/419,695.74 = 168,169.02/x - Step 3: Cross multiply
304,129.14x = 419,695.74 × 168,169.02 - Step 4: Simplify right side
304,129.14x = 70,579,821,293.97 - Step 5: Solve for x
x = 70,579,821,293.97/304,129.14 - Step 6: Final answer
x = 232,071.88
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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.