Finding the Fourth Proportional to 265,390.20, 397,178.10 and 160,284.60
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Solution
The fourth proportional to 265,390.20, 397,178.10 and 160,284.60 is: 239,878.99
Step by Step Solution
- Step 1: Write the proportion equation
265,390.20 : 397,178.10 = 160,284.60 : x - Step 2: Convert to fraction form
265,390.20/397,178.10 = 160,284.60/x - Step 3: Cross multiply
265,390.20x = 397,178.10 × 160,284.60 - Step 4: Simplify right side
265,390.20x = 63,661,532,887.26 - Step 5: Solve for x
x = 63,661,532,887.26/265,390.20 - Step 6: Final answer
x = 239,878.99
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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.