Finding the Fourth Proportional to 235,371.12, 353,053.62 and 57,879.68
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Solution
The fourth proportional to 235,371.12, 353,053.62 and 57,879.68 is: 86,818.77
Step by Step Solution
- Step 1: Write the proportion equation
235,371.12 : 353,053.62 = 57,879.68 : x - Step 2: Convert to fraction form
235,371.12/353,053.62 = 57,879.68/x - Step 3: Cross multiply
235,371.12x = 353,053.62 × 57,879.68 - Step 4: Simplify right side
235,371.12x = 20,434,630,548.44 - Step 5: Solve for x
x = 20,434,630,548.44/235,371.12 - Step 6: Final answer
x = 86,818.77
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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.