Finding the Fourth Proportional to 229,601.63, 316,854.04 and 126,240.19
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Solution
The fourth proportional to 229,601.63, 316,854.04 and 126,240.19 is: 174,213.55
Step by Step Solution
- Step 1: Write the proportion equation
229,601.63 : 316,854.04 = 126,240.19 : x - Step 2: Convert to fraction form
229,601.63/316,854.04 = 126,240.19/x - Step 3: Cross multiply
229,601.63x = 316,854.04 × 126,240.19 - Step 4: Simplify right side
229,601.63x = 39,999,713,876.93 - Step 5: Solve for x
x = 39,999,713,876.93/229,601.63 - Step 6: Final answer
x = 174,213.55
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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.