Finding the Fourth Proportional to 516,329.21, 774,797.21 and 216,786.75
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Solution
The fourth proportional to 516,329.21, 774,797.21 and 216,786.75 is: 325,307.51
Step by Step Solution
- Step 1: Write the proportion equation
516,329.21 : 774,797.21 = 216,786.75 : x - Step 2: Convert to fraction form
516,329.21/774,797.21 = 216,786.75/x - Step 3: Cross multiply
516,329.21x = 774,797.21 × 216,786.75 - Step 4: Simplify right side
516,329.21x = 167,965,769,064.97 - Step 5: Solve for x
x = 167,965,769,064.97/516,329.21 - Step 6: Final answer
x = 325,307.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.