Finding the Fourth Proportional to 203,911.70, 305,867.55 and 203,911.70
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Solution
The fourth proportional to 203,911.70, 305,867.55 and 203,911.70 is: 305,867.55
Step by Step Solution
- Step 1: Write the proportion equation
203,911.70 : 305,867.55 = 203,911.70 : x - Step 2: Convert to fraction form
203,911.70/305,867.55 = 203,911.70/x - Step 3: Cross multiply
203,911.70x = 305,867.55 × 203,911.70 - Step 4: Simplify right side
203,911.70x = 62,369,972,095.34 - Step 5: Solve for x
x = 62,369,972,095.34/203,911.70 - Step 6: Final answer
x = 305,867.55
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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.