Finding the Fourth Proportional to 204,639.97, 282,411.66 and 113,995.91
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Solution
The fourth proportional to 204,639.97, 282,411.66 and 113,995.91 is: 157,319.09
Step by Step Solution
- Step 1: Write the proportion equation
204,639.97 : 282,411.66 = 113,995.91 : x - Step 2: Convert to fraction form
204,639.97/282,411.66 = 113,995.91/x - Step 3: Cross multiply
204,639.97x = 282,411.66 × 113,995.91 - Step 4: Simplify right side
204,639.97x = 32,193,773,721.26 - Step 5: Solve for x
x = 32,193,773,721.26/204,639.97 - Step 6: Final answer
x = 157,319.09
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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.