Finding the Fourth Proportional to 263,381.86, 363,403.73 and 160,013.98
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Solution
The fourth proportional to 263,381.86, 363,403.73 and 160,013.98 is: 220,780.88
Step by Step Solution
- Step 1: Write the proportion equation
263,381.86 : 363,403.73 = 160,013.98 : x - Step 2: Convert to fraction form
263,381.86/363,403.73 = 160,013.98/x - Step 3: Cross multiply
263,381.86x = 363,403.73 × 160,013.98 - Step 4: Simplify right side
263,381.86x = 58,149,678,038.44 - Step 5: Solve for x
x = 58,149,678,038.44/263,381.86 - Step 6: Final answer
x = 220,780.88
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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.