Finding the Fourth Proportional to 265,884.71, 366,920.89 and 145,025.99
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Solution
The fourth proportional to 265,884.71, 366,920.89 and 145,025.99 is: 200,135.86
Step by Step Solution
- Step 1: Write the proportion equation
265,884.71 : 366,920.89 = 145,025.99 : x - Step 2: Convert to fraction form
265,884.71/366,920.89 = 145,025.99/x - Step 3: Cross multiply
265,884.71x = 366,920.89 × 145,025.99 - Step 4: Simplify right side
265,884.71x = 53,213,064,082.58 - Step 5: Solve for x
x = 53,213,064,082.58/265,884.71 - Step 6: Final answer
x = 200,135.86
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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.