Finding the Fourth Proportional to 418,720.01, 625,243.79 and 332,361.99
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Solution
The fourth proportional to 418,720.01, 625,243.79 and 332,361.99 is: 496,291.72
Step by Step Solution
- Step 1: Write the proportion equation
418,720.01 : 625,243.79 = 332,361.99 : x - Step 2: Convert to fraction form
418,720.01/625,243.79 = 332,361.99/x - Step 3: Cross multiply
418,720.01x = 625,243.79 × 332,361.99 - Step 4: Simplify right side
418,720.01x = 207,807,271,110.45 - Step 5: Solve for x
x = 207,807,271,110.45/418,720.01 - Step 6: Final answer
x = 496,291.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.