Finding the Fourth Proportional to 326,631.33, 490,017.02 and 113,405.99
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Solution
The fourth proportional to 326,631.33, 490,017.02 and 113,405.99 is: 170,133.29
Step by Step Solution
- Step 1: Write the proportion equation
326,631.33 : 490,017.02 = 113,405.99 : x - Step 2: Convert to fraction form
326,631.33/490,017.02 = 113,405.99/x - Step 3: Cross multiply
326,631.33x = 490,017.02 × 113,405.99 - Step 4: Simplify right side
326,631.33x = 55,570,862,252.83 - Step 5: Solve for x
x = 55,570,862,252.83/326,631.33 - Step 6: Final answer
x = 170,133.29
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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.