Finding the Fourth Proportional to 299,286.29, 413,023.86 and 163,329.02
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Solution
The fourth proportional to 299,286.29, 413,023.86 and 163,329.02 is: 225,398.84
Step by Step Solution
- Step 1: Write the proportion equation
299,286.29 : 413,023.86 = 163,329.02 : x - Step 2: Convert to fraction form
299,286.29/413,023.86 = 163,329.02/x - Step 3: Cross multiply
299,286.29x = 413,023.86 × 163,329.02 - Step 4: Simplify right side
299,286.29x = 67,458,783,322.98 - Step 5: Solve for x
x = 67,458,783,322.98/299,286.29 - Step 6: Final answer
x = 225,398.84
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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.