Finding the Fourth Proportional to 296,034.13, 408,536.81 and 161,898.13
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Solution
The fourth proportional to 296,034.13, 408,536.81 and 161,898.13 is: 223,424.73
Step by Step Solution
- Step 1: Write the proportion equation
296,034.13 : 408,536.81 = 161,898.13 : x - Step 2: Convert to fraction form
296,034.13/408,536.81 = 161,898.13/x - Step 3: Cross multiply
296,034.13x = 408,536.81 × 161,898.13 - Step 4: Simplify right side
296,034.13x = 66,141,345,575.17 - Step 5: Solve for x
x = 66,141,345,575.17/296,034.13 - Step 6: Final answer
x = 223,424.73
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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.