Finding the Fourth Proportional to 314,034.24, 433,446.66 and 178,149.18
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Solution
The fourth proportional to 314,034.24, 433,446.66 and 178,149.18 is: 245,890.92
Step by Step Solution
- Step 1: Write the proportion equation
314,034.24 : 433,446.66 = 178,149.18 : x - Step 2: Convert to fraction form
314,034.24/433,446.66 = 178,149.18/x - Step 3: Cross multiply
314,034.24x = 433,446.66 × 178,149.18 - Step 4: Simplify right side
314,034.24x = 77,218,167,052.74 - Step 5: Solve for x
x = 77,218,167,052.74/314,034.24 - Step 6: Final answer
x = 245,890.92
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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.