Finding the Fourth Proportional to 207,257.07, 286,014.75 and 117,833.07
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Solution
The fourth proportional to 207,257.07, 286,014.75 and 117,833.07 is: 162,609.63
Step by Step Solution
- Step 1: Write the proportion equation
207,257.07 : 286,014.75 = 117,833.07 : x - Step 2: Convert to fraction form
207,257.07/286,014.75 = 117,833.07/x - Step 3: Cross multiply
207,257.07x = 286,014.75 × 117,833.07 - Step 4: Simplify right side
207,257.07x = 33,701,996,057.78 - Step 5: Solve for x
x = 33,701,996,057.78/207,257.07 - Step 6: Final answer
x = 162,609.63
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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.