Finding the Fourth Proportional to 256,604.24, 384,906.84 and 98,906.96
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Solution
The fourth proportional to 256,604.24, 384,906.84 and 98,906.96 is: 148,360.63
Step by Step Solution
- Step 1: Write the proportion equation
256,604.24 : 384,906.84 = 98,906.96 : x - Step 2: Convert to fraction form
256,604.24/384,906.84 = 98,906.96/x - Step 3: Cross multiply
256,604.24x = 384,906.84 × 98,906.96 - Step 4: Simplify right side
256,604.24x = 38,069,965,427.61 - Step 5: Solve for x
x = 38,069,965,427.61/256,604.24 - Step 6: Final answer
x = 148,360.63
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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.