Finding the Fourth Proportional to 306,134.94, 422,471.27 and 168,319.69
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Solution
The fourth proportional to 306,134.94, 422,471.27 and 168,319.69 is: 232,283.96
Step by Step Solution
- Step 1: Write the proportion equation
306,134.94 : 422,471.27 = 168,319.69 : x - Step 2: Convert to fraction form
306,134.94/422,471.27 = 168,319.69/x - Step 3: Cross multiply
306,134.94x = 422,471.27 × 168,319.69 - Step 4: Simplify right side
306,134.94x = 71,110,234,149.19 - Step 5: Solve for x
x = 71,110,234,149.19/306,134.94 - Step 6: Final answer
x = 232,283.96
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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.