Finding the Fourth Proportional to 265,689.15, 366,632.70 and 149,419.99
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Solution
The fourth proportional to 265,689.15, 366,632.70 and 149,419.99 is: 206,189.28
Step by Step Solution
- Step 1: Write the proportion equation
265,689.15 : 366,632.70 = 149,419.99 : x - Step 2: Convert to fraction form
265,689.15/366,632.70 = 149,419.99/x - Step 3: Cross multiply
265,689.15x = 366,632.70 × 149,419.99 - Step 4: Simplify right side
265,689.15x = 54,782,254,265.64 - Step 5: Solve for x
x = 54,782,254,265.64/265,689.15 - Step 6: Final answer
x = 206,189.28
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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.