Finding the Fourth Proportional to 200,416.92, 276,625.26 and 115,585.08
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Solution
The fourth proportional to 200,416.92, 276,625.26 and 115,585.08 is: 159,536.19
Step by Step Solution
- Step 1: Write the proportion equation
200,416.92 : 276,625.26 = 115,585.08 : x - Step 2: Convert to fraction form
200,416.92/276,625.26 = 115,585.08/x - Step 3: Cross multiply
200,416.92x = 276,625.26 × 115,585.08 - Step 4: Simplify right side
200,416.92x = 31,973,752,807.12 - Step 5: Solve for x
x = 31,973,752,807.12/200,416.92 - Step 6: Final answer
x = 159,536.19
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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.