Finding the Fourth Proportional to 84,410.88, 126,573.84 and 28,231.44
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Solution
The fourth proportional to 84,410.88, 126,573.84 and 28,231.44 is: 42,332.95
Step by Step Solution
- Step 1: Write the proportion equation
84,410.88 : 126,573.84 = 28,231.44 : x - Step 2: Convert to fraction form
84,410.88/126,573.84 = 28,231.44/x - Step 3: Cross multiply
84,410.88x = 126,573.84 × 28,231.44 - Step 4: Simplify right side
84,410.88x = 3,573,361,769.53 - Step 5: Solve for x
x = 3,573,361,769.53/84,410.88 - Step 6: Final answer
x = 42,332.95
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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.