Finding the Fourth Proportional to 232,292.18, 320,524.34 and 136,817.88
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Solution
The fourth proportional to 232,292.18, 320,524.34 and 136,817.88 is: 188,785.78
Step by Step Solution
- Step 1: Write the proportion equation
232,292.18 : 320,524.34 = 136,817.88 : x - Step 2: Convert to fraction form
232,292.18/320,524.34 = 136,817.88/x - Step 3: Cross multiply
232,292.18x = 320,524.34 × 136,817.88 - Step 4: Simplify right side
232,292.18x = 43,853,460,687.20 - Step 5: Solve for x
x = 43,853,460,687.20/232,292.18 - Step 6: Final answer
x = 188,785.78
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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.