Finding the Fourth Proportional to 203,929.80, 305,894.70 and 174,405.30
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Solution
The fourth proportional to 203,929.80, 305,894.70 and 174,405.30 is: 261,607.95
Step by Step Solution
- Step 1: Write the proportion equation
203,929.80 : 305,894.70 = 174,405.30 : x - Step 2: Convert to fraction form
203,929.80/305,894.70 = 174,405.30/x - Step 3: Cross multiply
203,929.80x = 305,894.70 × 174,405.30 - Step 4: Simplify right side
203,929.80x = 53,349,656,921.91 - Step 5: Solve for x
x = 53,349,656,921.91/203,929.80 - Step 6: Final answer
x = 261,607.95
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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.