Finding the Fourth Proportional to 203,202.12, 280,406.58 and 112,552.80
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Solution
The fourth proportional to 203,202.12, 280,406.58 and 112,552.80 is: 155,316.03
Step by Step Solution
- Step 1: Write the proportion equation
203,202.12 : 280,406.58 = 112,552.80 : x - Step 2: Convert to fraction form
203,202.12/280,406.58 = 112,552.80/x - Step 3: Cross multiply
203,202.12x = 280,406.58 × 112,552.80 - Step 4: Simplify right side
203,202.12x = 31,560,545,717.42 - Step 5: Solve for x
x = 31,560,545,717.42/203,202.12 - Step 6: Final answer
x = 155,316.03
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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.