Finding the Fourth Proportional to 203,298.68, 280,552.20 and 113,874.68
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Solution
The fourth proportional to 203,298.68, 280,552.20 and 113,874.68 is: 157,147.07
Step by Step Solution
- Step 1: Write the proportion equation
203,298.68 : 280,552.20 = 113,874.68 : x - Step 2: Convert to fraction form
203,298.68/280,552.20 = 113,874.68/x - Step 3: Cross multiply
203,298.68x = 280,552.20 × 113,874.68 - Step 4: Simplify right side
203,298.68x = 31,947,791,998.30 - Step 5: Solve for x
x = 31,947,791,998.30/203,298.68 - Step 6: Final answer
x = 157,147.07
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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.