Finding the Fourth Proportional to 228,990.14, 343,486.09 and 95,776.95
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Solution
The fourth proportional to 228,990.14, 343,486.09 and 95,776.95 is: 143,665.79
Step by Step Solution
- Step 1: Write the proportion equation
228,990.14 : 343,486.09 = 95,776.95 : x - Step 2: Convert to fraction form
228,990.14/343,486.09 = 95,776.95/x - Step 3: Cross multiply
228,990.14x = 343,486.09 × 95,776.95 - Step 4: Simplify right side
228,990.14x = 32,898,050,067.63 - Step 5: Solve for x
x = 32,898,050,067.63/228,990.14 - Step 6: Final answer
x = 143,665.79
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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.