Finding the Fourth Proportional to 215,550.61, 297,459.92 and 124,959.09
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Solution
The fourth proportional to 215,550.61, 297,459.92 and 124,959.09 is: 172,443.58
Step by Step Solution
- Step 1: Write the proportion equation
215,550.61 : 297,459.92 = 124,959.09 : x - Step 2: Convert to fraction form
215,550.61/297,459.92 = 124,959.09/x - Step 3: Cross multiply
215,550.61x = 297,459.92 × 124,959.09 - Step 4: Simplify right side
215,550.61x = 37,170,319,114.98 - Step 5: Solve for x
x = 37,170,319,114.98/215,550.61 - Step 6: Final answer
x = 172,443.58
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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.