Finding the Fourth Proportional to 168,252.84, 231,716.49 and 164,578.68
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Solution
The fourth proportional to 168,252.84, 231,716.49 and 164,578.68 is: 226,656.47
Step by Step Solution
- Step 1: Write the proportion equation
168,252.84 : 231,716.49 = 164,578.68 : x - Step 2: Convert to fraction form
168,252.84/231,716.49 = 164,578.68/x - Step 3: Cross multiply
168,252.84x = 231,716.49 × 164,578.68 - Step 4: Simplify right side
168,252.84x = 38,135,594,058.43 - Step 5: Solve for x
x = 38,135,594,058.43/168,252.84 - Step 6: Final answer
x = 226,656.47
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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.