Finding the Fourth Proportional to 388,504.68, 535,950.12 and 252,581.28
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Solution
The fourth proportional to 388,504.68, 535,950.12 and 252,581.28 is: 348,441.02
Step by Step Solution
- Step 1: Write the proportion equation
388,504.68 : 535,950.12 = 252,581.28 : x - Step 2: Convert to fraction form
388,504.68/535,950.12 = 252,581.28/x - Step 3: Cross multiply
388,504.68x = 535,950.12 × 252,581.28 - Step 4: Simplify right side
388,504.68x = 135,370,967,325.75 - Step 5: Solve for x
x = 135,370,967,325.75/388,504.68 - Step 6: Final answer
x = 348,441.02
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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.