Finding the Fourth Proportional to 448,515.74, 618,448.91 and 366,589.81
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Solution
The fourth proportional to 448,515.74, 618,448.91 and 366,589.81 is: 505,482.97
Step by Step Solution
- Step 1: Write the proportion equation
448,515.74 : 618,448.91 = 366,589.81 : x - Step 2: Convert to fraction form
448,515.74/618,448.91 = 366,589.81/x - Step 3: Cross multiply
448,515.74x = 618,448.91 × 366,589.81 - Step 4: Simplify right side
448,515.74x = 226,717,066,966.05 - Step 5: Solve for x
x = 226,717,066,966.05/448,515.74 - Step 6: Final answer
x = 505,482.97
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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.