Finding the Fourth Proportional to 449,503.68, 620,262.24 and 248,287.68
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Solution
The fourth proportional to 449,503.68, 620,262.24 and 248,287.68 is: 342,607.81
Step by Step Solution
- Step 1: Write the proportion equation
449,503.68 : 620,262.24 = 248,287.68 : x - Step 2: Convert to fraction form
449,503.68/620,262.24 = 248,287.68/x - Step 3: Cross multiply
449,503.68x = 620,262.24 × 248,287.68 - Step 4: Simplify right side
449,503.68x = 154,003,472,561.20 - Step 5: Solve for x
x = 154,003,472,561.20/449,503.68 - Step 6: Final answer
x = 342,607.81
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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.