Finding the Fourth Proportional to 213,064.99, 319,185.35 and 178,459.91
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Solution
The fourth proportional to 213,064.99, 319,185.35 and 178,459.91 is: 267,344.66
Step by Step Solution
- Step 1: Write the proportion equation
213,064.99 : 319,185.35 = 178,459.91 : x - Step 2: Convert to fraction form
213,064.99/319,185.35 = 178,459.91/x - Step 3: Cross multiply
213,064.99x = 319,185.35 × 178,459.91 - Step 4: Simplify right side
213,064.99x = 56,961,786,346.09 - Step 5: Solve for x
x = 56,961,786,346.09/213,064.99 - Step 6: Final answer
x = 267,344.66
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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.