Finding the Fourth Proportional to 407,869.02, 562,858.74 and 226,597.68
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Solution
The fourth proportional to 407,869.02, 562,858.74 and 226,597.68 is: 312,704.52
Step by Step Solution
- Step 1: Write the proportion equation
407,869.02 : 562,858.74 = 226,597.68 : x - Step 2: Convert to fraction form
407,869.02/562,858.74 = 226,597.68/x - Step 3: Cross multiply
407,869.02x = 562,858.74 × 226,597.68 - Step 4: Simplify right side
407,869.02x = 127,542,484,651.72 - Step 5: Solve for x
x = 127,542,484,651.72/407,869.02 - Step 6: Final answer
x = 312,704.52
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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.