Finding the Fourth Proportional to 203,909.80, 305,864.70 and 174,385.30
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Solution
The fourth proportional to 203,909.80, 305,864.70 and 174,385.30 is: 261,577.95
Step by Step Solution
- Step 1: Write the proportion equation
203,909.80 : 305,864.70 = 174,385.30 : x - Step 2: Convert to fraction form
203,909.80/305,864.70 = 174,385.30/x - Step 3: Cross multiply
203,909.80x = 305,864.70 × 174,385.30 - Step 4: Simplify right side
203,909.80x = 53,338,307,468.91 - Step 5: Solve for x
x = 53,338,307,468.91/203,909.80 - Step 6: Final answer
x = 261,577.95
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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.