Finding the Fourth Proportional to 207,276.28, 310,879.64 and 57,531.78
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Solution
The fourth proportional to 207,276.28, 310,879.64 and 57,531.78 is: 86,288.02
Step by Step Solution
- Step 1: Write the proportion equation
207,276.28 : 310,879.64 = 57,531.78 : x - Step 2: Convert to fraction form
207,276.28/310,879.64 = 57,531.78/x - Step 3: Cross multiply
207,276.28x = 310,879.64 × 57,531.78 - Step 4: Simplify right side
207,276.28x = 17,885,458,767.30 - Step 5: Solve for x
x = 17,885,458,767.30/207,276.28 - Step 6: Final answer
x = 86,288.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.