Finding the Fourth Proportional to 204,689.88, 282,479.84 and 118,651.68
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Solution
The fourth proportional to 204,689.88, 282,479.84 and 118,651.68 is: 163,743.84
Step by Step Solution
- Step 1: Write the proportion equation
204,689.88 : 282,479.84 = 118,651.68 : x - Step 2: Convert to fraction form
204,689.88/282,479.84 = 118,651.68/x - Step 3: Cross multiply
204,689.88x = 282,479.84 × 118,651.68 - Step 4: Simplify right side
204,689.88x = 33,516,707,582.13 - Step 5: Solve for x
x = 33,516,707,582.13/204,689.88 - Step 6: Final answer
x = 163,743.84
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1.5x scale
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.