Finding the Fourth Proportional to 207,659.10, 286,563.56 and 117,013.44
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Solution
The fourth proportional to 207,659.10, 286,563.56 and 117,013.44 is: 161,475.17
Step by Step Solution
- Step 1: Write the proportion equation
207,659.10 : 286,563.56 = 117,013.44 : x - Step 2: Convert to fraction form
207,659.10/286,563.56 = 117,013.44/x - Step 3: Cross multiply
207,659.10x = 286,563.56 × 117,013.44 - Step 4: Simplify right side
207,659.10x = 33,531,787,934.25 - Step 5: Solve for x
x = 33,531,787,934.25/207,659.10 - Step 6: Final answer
x = 161,475.17
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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.