Finding the Fourth Proportional to 205,517.36, 283,458.12 and 176,884.40
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Solution
The fourth proportional to 205,517.36, 283,458.12 and 176,884.40 is: 243,966.35
Step by Step Solution
- Step 1: Write the proportion equation
205,517.36 : 283,458.12 = 176,884.40 : x - Step 2: Convert to fraction form
205,517.36/283,458.12 = 176,884.40/x - Step 3: Cross multiply
205,517.36x = 283,458.12 × 176,884.40 - Step 4: Simplify right side
205,517.36x = 50,139,319,481.33 - Step 5: Solve for x
x = 50,139,319,481.33/205,517.36 - Step 6: Final answer
x = 243,966.35
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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.