Finding the Fourth Proportional to 203,135.04, 304,764.96 and 90,909.84
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Solution
The fourth proportional to 203,135.04, 304,764.96 and 90,909.84 is: 136,392.69
Step by Step Solution
- Step 1: Write the proportion equation
203,135.04 : 304,764.96 = 90,909.84 : x - Step 2: Convert to fraction form
203,135.04/304,764.96 = 90,909.84/x - Step 3: Cross multiply
203,135.04x = 304,764.96 × 90,909.84 - Step 4: Simplify right side
203,135.04x = 27,706,133,751.21 - Step 5: Solve for x
x = 27,706,133,751.21/203,135.04 - Step 6: Final answer
x = 136,392.69
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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.