Finding the Fourth Proportional to 207,619.03, 286,514.28 and 112,125.70
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Solution
The fourth proportional to 207,619.03, 286,514.28 and 112,125.70 is: 154,733.48
Step by Step Solution
- Step 1: Write the proportion equation
207,619.03 : 286,514.28 = 112,125.70 : x - Step 2: Convert to fraction form
207,619.03/286,514.28 = 112,125.70/x - Step 3: Cross multiply
207,619.03x = 286,514.28 × 112,125.70 - Step 4: Simplify right side
207,619.03x = 32,125,614,205.00 - Step 5: Solve for x
x = 32,125,614,205.00/207,619.03 - Step 6: Final answer
x = 154,733.48
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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.