Finding the Fourth Proportional to 229,458.17, 344,135.28 and 87,252.75
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Solution
The fourth proportional to 229,458.17, 344,135.28 and 87,252.75 is: 130,859.36
Step by Step Solution
- Step 1: Write the proportion equation
229,458.17 : 344,135.28 = 87,252.75 : x - Step 2: Convert to fraction form
229,458.17/344,135.28 = 87,252.75/x - Step 3: Cross multiply
229,458.17x = 344,135.28 × 87,252.75 - Step 4: Simplify right side
229,458.17x = 30,026,749,879.22 - Step 5: Solve for x
x = 30,026,749,879.22/229,458.17 - Step 6: Final answer
x = 130,859.36
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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.