Finding the Fourth Proportional to 274,325.05, 411,446.00 and 74,661.00
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Solution
The fourth proportional to 274,325.05, 411,446.00 and 74,661.00 is: 111,980.18
Step by Step Solution
- Step 1: Write the proportion equation
274,325.05 : 411,446.00 = 74,661.00 : x - Step 2: Convert to fraction form
274,325.05/411,446.00 = 74,661.00/x - Step 3: Cross multiply
274,325.05x = 411,446.00 × 74,661.00 - Step 4: Simplify right side
274,325.05x = 30,718,969,221.19 - Step 5: Solve for x
x = 30,718,969,221.19/274,325.05 - Step 6: Final answer
x = 111,980.18
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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.