Finding the Fourth Proportional to 352,819.09, 530,278.44 and 165,961.81
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Solution
The fourth proportional to 352,819.09, 530,278.44 and 165,961.81 is: 249,436.53
Step by Step Solution
- Step 1: Write the proportion equation
352,819.09 : 530,278.44 = 165,961.81 : x - Step 2: Convert to fraction form
352,819.09/530,278.44 = 165,961.81/x - Step 3: Cross multiply
352,819.09x = 530,278.44 × 165,961.81 - Step 4: Simplify right side
352,819.09x = 88,005,969,706.38 - Step 5: Solve for x
x = 88,005,969,706.38/352,819.09 - Step 6: Final answer
x = 249,436.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.