Finding the Fourth Proportional to 199,926.87, 275,899.08 and 109,283.19
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Solution
The fourth proportional to 199,926.87, 275,899.08 and 109,283.19 is: 150,810.80
Step by Step Solution
- Step 1: Write the proportion equation
199,926.87 : 275,899.08 = 109,283.19 : x - Step 2: Convert to fraction form
199,926.87/275,899.08 = 109,283.19/x - Step 3: Cross multiply
199,926.87x = 275,899.08 × 109,283.19 - Step 4: Simplify right side
199,926.87x = 30,151,130,200.97 - Step 5: Solve for x
x = 30,151,130,200.97/199,926.87 - Step 6: Final answer
x = 150,810.80
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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.