Finding the Fourth Proportional to 304,664.41, 420,431.74 and 168,695.44
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Solution
The fourth proportional to 304,664.41, 420,431.74 and 168,695.44 is: 232,796.86
Step by Step Solution
- Step 1: Write the proportion equation
304,664.41 : 420,431.74 = 168,695.44 : x - Step 2: Convert to fraction form
304,664.41/420,431.74 = 168,695.44/x - Step 3: Cross multiply
304,664.41x = 420,431.74 × 168,695.44 - Step 4: Simplify right side
304,664.41x = 70,924,917,369.27 - Step 5: Solve for x
x = 70,924,917,369.27/304,664.41 - Step 6: Final answer
x = 232,796.86
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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.