Finding the Fourth Proportional to 389,108.30, 536,887.79 and 236,226.96
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Solution
The fourth proportional to 389,108.30, 536,887.79 and 236,226.96 is: 325,943.63
Step by Step Solution
- Step 1: Write the proportion equation
389,108.30 : 536,887.79 = 236,226.96 : x - Step 2: Convert to fraction form
389,108.30/536,887.79 = 236,226.96/x - Step 3: Cross multiply
389,108.30x = 536,887.79 × 236,226.96 - Step 4: Simplify right side
389,108.30x = 126,827,369,311.68 - Step 5: Solve for x
x = 126,827,369,311.68/389,108.30 - Step 6: Final answer
x = 325,943.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.