Finding the Fourth Proportional to 397,022.68, 595,199.12 and 172,213.88
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Solution
The fourth proportional to 397,022.68, 595,199.12 and 172,213.88 is: 258,175.55
Step by Step Solution
- Step 1: Write the proportion equation
397,022.68 : 595,199.12 = 172,213.88 : x - Step 2: Convert to fraction form
397,022.68/595,199.12 = 172,213.88/x - Step 3: Cross multiply
397,022.68x = 595,199.12 × 172,213.88 - Step 4: Simplify right side
397,022.68x = 102,501,549,827.79 - Step 5: Solve for x
x = 102,501,549,827.79/397,022.68 - Step 6: Final answer
x = 258,175.55
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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.