Finding the Fourth Proportional to 203,789.16, 305,744.49 and 97,253.10
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Solution
The fourth proportional to 203,789.16, 305,744.49 and 97,253.10 is: 145,908.64
Step by Step Solution
- Step 1: Write the proportion equation
203,789.16 : 305,744.49 = 97,253.10 : x - Step 2: Convert to fraction form
203,789.16/305,744.49 = 97,253.10/x - Step 3: Cross multiply
203,789.16x = 305,744.49 × 97,253.10 - Step 4: Simplify right side
203,789.16x = 29,734,599,460.42 - Step 5: Solve for x
x = 29,734,599,460.42/203,789.16 - Step 6: Final answer
x = 145,908.64
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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.