Finding the Fourth Proportional to 211,715.87, 292,157.19 and 125,678.54
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Solution
The fourth proportional to 211,715.87, 292,157.19 and 125,678.54 is: 173,430.02
Step by Step Solution
- Step 1: Write the proportion equation
211,715.87 : 292,157.19 = 125,678.54 : x - Step 2: Convert to fraction form
211,715.87/292,157.19 = 125,678.54/x - Step 3: Cross multiply
211,715.87x = 292,157.19 × 125,678.54 - Step 4: Simplify right side
211,715.87x = 36,717,887,628.92 - Step 5: Solve for x
x = 36,717,887,628.92/211,715.87 - Step 6: Final answer
x = 173,430.02
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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.