Finding the Fourth Proportional to 462,519.08, 638,379.38 and 281,192.68
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Solution
The fourth proportional to 462,519.08, 638,379.38 and 281,192.68 is: 388,108.55
Step by Step Solution
- Step 1: Write the proportion equation
462,519.08 : 638,379.38 = 281,192.68 : x - Step 2: Convert to fraction form
462,519.08/638,379.38 = 281,192.68/x - Step 3: Cross multiply
462,519.08x = 638,379.38 × 281,192.68 - Step 4: Simplify right side
462,519.08x = 179,507,608,718.94 - Step 5: Solve for x
x = 179,507,608,718.94/462,519.08 - Step 6: Final answer
x = 388,108.55
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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.