Finding the Fourth Proportional to 314,704.01, 434,286.05 and 171,465.09
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Solution
The fourth proportional to 314,704.01, 434,286.05 and 171,465.09 is: 236,618.84
Step by Step Solution
- Step 1: Write the proportion equation
314,704.01 : 434,286.05 = 171,465.09 : x - Step 2: Convert to fraction form
314,704.01/434,286.05 = 171,465.09/x - Step 3: Cross multiply
314,704.01x = 434,286.05 × 171,465.09 - Step 4: Simplify right side
314,704.01x = 74,464,895,791.67 - Step 5: Solve for x
x = 74,464,895,791.67/314,704.01 - Step 6: Final answer
x = 236,618.84
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1.5x scale
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.