Finding the Fourth Proportional to 199,892.99, 299,840.77 and 79,959.96
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Solution
The fourth proportional to 199,892.99, 299,840.77 and 79,959.96 is: 119,940.45
Step by Step Solution
- Step 1: Write the proportion equation
199,892.99 : 299,840.77 = 79,959.96 : x - Step 2: Convert to fraction form
199,892.99/299,840.77 = 79,959.96/x - Step 3: Cross multiply
199,892.99x = 299,840.77 × 79,959.96 - Step 4: Simplify right side
199,892.99x = 23,975,255,975.57 - Step 5: Solve for x
x = 23,975,255,975.57/199,892.99 - Step 6: Final answer
x = 119,940.45
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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.