Finding the Fourth Proportional to 816,756.12, 1,225,192.50 and 217,714.14
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Solution
The fourth proportional to 816,756.12, 1,225,192.50 and 217,714.14 is: 326,586.76
Step by Step Solution
- Step 1: Write the proportion equation
816,756.12 : 1,225,192.50 = 217,714.14 : x - Step 2: Convert to fraction form
816,756.12/1,225,192.50 = 217,714.14/x - Step 3: Cross multiply
816,756.12x = 1,225,192.50 × 217,714.14 - Step 4: Simplify right side
816,756.12x = 266,741,731,471.95 - Step 5: Solve for x
x = 266,741,731,471.95/816,756.12 - Step 6: Final answer
x = 326,586.76
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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.