Finding the Fourth Proportional to 448,845.28, 618,682.91 and 303,598.09
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Solution
The fourth proportional to 448,845.28, 618,682.91 and 303,598.09 is: 418,475.94
Step by Step Solution
- Step 1: Write the proportion equation
448,845.28 : 618,682.91 = 303,598.09 : x - Step 2: Convert to fraction form
448,845.28/618,682.91 = 303,598.09/x - Step 3: Cross multiply
448,845.28x = 618,682.91 × 303,598.09 - Step 4: Simplify right side
448,845.28x = 187,830,949,473.94 - Step 5: Solve for x
x = 187,830,949,473.94/448,845.28 - Step 6: Final answer
x = 418,475.94
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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.