Finding the Fourth Proportional to 577,161.93, 796,468.18 and 322,515.21
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Solution
The fourth proportional to 577,161.93, 796,468.18 and 322,515.21 is: 445,062.45
Step by Step Solution
- Step 1: Write the proportion equation
577,161.93 : 796,468.18 = 322,515.21 : x - Step 2: Convert to fraction form
577,161.93/796,468.18 = 322,515.21/x - Step 3: Cross multiply
577,161.93x = 796,468.18 × 322,515.21 - Step 4: Simplify right side
577,161.93x = 256,873,102,331.02 - Step 5: Solve for x
x = 256,873,102,331.02/577,161.93 - Step 6: Final answer
x = 445,062.45
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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.