Finding the Fourth Proportional to 265,471.68, 398,195.93 and 85,553.12
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Solution
The fourth proportional to 265,471.68, 398,195.93 and 85,553.12 is: 128,325.94
Step by Step Solution
- Step 1: Write the proportion equation
265,471.68 : 398,195.93 = 85,553.12 : x - Step 2: Convert to fraction form
265,471.68/398,195.93 = 85,553.12/x - Step 3: Cross multiply
265,471.68x = 398,195.93 × 85,553.12 - Step 4: Simplify right side
265,471.68x = 34,066,901,764.06 - Step 5: Solve for x
x = 34,066,901,764.06/265,471.68 - Step 6: Final answer
x = 128,325.94
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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.