Finding the Fourth Proportional to 79,629.28, 119,517.73 and 40,214.07
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Solution
The fourth proportional to 79,629.28, 119,517.73 and 40,214.07 is: 60,358.38
Step by Step Solution
- Step 1: Write the proportion equation
79,629.28 : 119,517.73 = 40,214.07 : x - Step 2: Convert to fraction form
79,629.28/119,517.73 = 40,214.07/x - Step 3: Cross multiply
79,629.28x = 119,517.73 × 40,214.07 - Step 4: Simplify right side
79,629.28x = 4,806,294,259.93 - Step 5: Solve for x
x = 4,806,294,259.93/79,629.28 - Step 6: Final answer
x = 60,358.38
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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.