Finding the Fourth Proportional to 265,390.80, 366,269.57 and 157,961.18
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Solution
The fourth proportional to 265,390.80, 366,269.57 and 157,961.18 is: 218,004.43
Step by Step Solution
- Step 1: Write the proportion equation
265,390.80 : 366,269.57 = 157,961.18 : x - Step 2: Convert to fraction form
265,390.80/366,269.57 = 157,961.18/x - Step 3: Cross multiply
265,390.80x = 366,269.57 × 157,961.18 - Step 4: Simplify right side
265,390.80x = 57,856,370,854.14 - Step 5: Solve for x
x = 57,856,370,854.14/265,390.80 - Step 6: Final answer
x = 218,004.43
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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.