Finding the Fourth Proportional to 108,218.18, 149,382.77 and 96,867.65
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Solution
The fourth proportional to 108,218.18, 149,382.77 and 96,867.65 is: 133,714.66
Step by Step Solution
- Step 1: Write the proportion equation
108,218.18 : 149,382.77 = 96,867.65 : x - Step 2: Convert to fraction form
108,218.18/149,382.77 = 96,867.65/x - Step 3: Cross multiply
108,218.18x = 149,382.77 × 96,867.65 - Step 4: Simplify right side
108,218.18x = 14,470,356,649.14 - Step 5: Solve for x
x = 14,470,356,649.14/108,218.18 - Step 6: Final answer
x = 133,714.66
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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.