Finding the Fourth Proportional to 252,034.65, 378,051.98 and 228,706.65
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Solution
The fourth proportional to 252,034.65, 378,051.98 and 228,706.65 is: 343,059.98
Step by Step Solution
- Step 1: Write the proportion equation
252,034.65 : 378,051.98 = 228,706.65 : x - Step 2: Convert to fraction form
252,034.65/378,051.98 = 228,706.65/x - Step 3: Cross multiply
252,034.65x = 378,051.98 × 228,706.65 - Step 4: Simplify right side
252,034.65x = 86,463,000,728.13 - Step 5: Solve for x
x = 86,463,000,728.13/252,034.65 - Step 6: Final answer
x = 343,059.98
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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.