Finding the Fourth Proportional to 211,763.85, 292,105.68 and 125,666.12
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Solution
The fourth proportional to 211,763.85, 292,105.68 and 125,666.12 is: 173,343.02
Step by Step Solution
- Step 1: Write the proportion equation
211,763.85 : 292,105.68 = 125,666.12 : x - Step 2: Convert to fraction form
211,763.85/292,105.68 = 125,666.12/x - Step 3: Cross multiply
211,763.85x = 292,105.68 × 125,666.12 - Step 4: Simplify right side
211,763.85x = 36,707,785,975.03 - Step 5: Solve for x
x = 36,707,785,975.03/211,763.85 - Step 6: Final answer
x = 173,343.02
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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.