Finding the Fourth Proportional to 163,454.26, 225,566.01 and 91,833.65
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Solution
The fourth proportional to 163,454.26, 225,566.01 and 91,833.65 is: 126,729.95
Step by Step Solution
- Step 1: Write the proportion equation
163,454.26 : 225,566.01 = 91,833.65 : x - Step 2: Convert to fraction form
163,454.26/225,566.01 = 91,833.65/x - Step 3: Cross multiply
163,454.26x = 225,566.01 × 91,833.65 - Step 4: Simplify right side
163,454.26x = 20,714,549,555.07 - Step 5: Solve for x
x = 20,714,549,555.07/163,454.26 - Step 6: Final answer
x = 126,729.95
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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.