Finding the Fourth Proportional to 398,919.33, 550,496.05 and 226,855.99
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Solution
The fourth proportional to 398,919.33, 550,496.05 and 226,855.99 is: 313,054.09
Step by Step Solution
- Step 1: Write the proportion equation
398,919.33 : 550,496.05 = 226,855.99 : x - Step 2: Convert to fraction form
398,919.33/550,496.05 = 226,855.99/x - Step 3: Cross multiply
398,919.33x = 550,496.05 × 226,855.99 - Step 4: Simplify right side
398,919.33x = 124,883,326,534.82 - Step 5: Solve for x
x = 124,883,326,534.82/398,919.33 - Step 6: Final answer
x = 313,054.09
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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.