Finding the Fourth Proportional to 247,659.92, 341,806.79 and 138,771.62
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Solution
The fourth proportional to 247,659.92, 341,806.79 and 138,771.62 is: 191,525.06
Step by Step Solution
- Step 1: Write the proportion equation
247,659.92 : 341,806.79 = 138,771.62 : x - Step 2: Convert to fraction form
247,659.92/341,806.79 = 138,771.62/x - Step 3: Cross multiply
247,659.92x = 341,806.79 × 138,771.62 - Step 4: Simplify right side
247,659.92x = 47,433,079,572.41 - Step 5: Solve for x
x = 47,433,079,572.41/247,659.92 - Step 6: Final answer
x = 191,525.06
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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.