Finding the Fourth Proportional to 203,492.13, 305,238.19 and 78,833.13
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Solution
The fourth proportional to 203,492.13, 305,238.19 and 78,833.13 is: 118,249.69
Step by Step Solution
- Step 1: Write the proportion equation
203,492.13 : 305,238.19 = 78,833.13 : x - Step 2: Convert to fraction form
203,492.13/305,238.19 = 78,833.13/x - Step 3: Cross multiply
203,492.13x = 305,238.19 × 78,833.13 - Step 4: Simplify right side
203,492.13x = 24,062,881,913.23 - Step 5: Solve for x
x = 24,062,881,913.23/203,492.13 - Step 6: Final answer
x = 118,249.69
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1.5x scale
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.