Finding the Fourth Proportional to 211,964.55, 292,527.35 and 121,348.94
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Solution
The fourth proportional to 211,964.55, 292,527.35 and 121,348.94 is: 167,470.85
Step by Step Solution
- Step 1: Write the proportion equation
211,964.55 : 292,527.35 = 121,348.94 : x - Step 2: Convert to fraction form
211,964.55/292,527.35 = 121,348.94/x - Step 3: Cross multiply
211,964.55x = 292,527.35 × 121,348.94 - Step 4: Simplify right side
211,964.55x = 35,497,882,229.19 - Step 5: Solve for x
x = 35,497,882,229.19/211,964.55 - Step 6: Final answer
x = 167,470.85
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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.