Finding the Fourth Proportional to 211,921.04, 292,527.76 and 140,324.12
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Solution
The fourth proportional to 211,921.04, 292,527.76 and 140,324.12 is: 193,698.09
Step by Step Solution
- Step 1: Write the proportion equation
211,921.04 : 292,527.76 = 140,324.12 : x - Step 2: Convert to fraction form
211,921.04/292,527.76 = 140,324.12/x - Step 3: Cross multiply
211,921.04x = 292,527.76 × 140,324.12 - Step 4: Simplify right side
211,921.04x = 41,048,700,497.57 - Step 5: Solve for x
x = 41,048,700,497.57/211,921.04 - Step 6: Final answer
x = 193,698.09
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1.5x scale
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.