Finding the Fourth Proportional to 207,570.14, 286,408.71 and 116,906.70
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Solution
The fourth proportional to 207,570.14, 286,408.71 and 116,906.70 is: 161,309.80
Step by Step Solution
- Step 1: Write the proportion equation
207,570.14 : 286,408.71 = 116,906.70 : x - Step 2: Convert to fraction form
207,570.14/286,408.71 = 116,906.70/x - Step 3: Cross multiply
207,570.14x = 286,408.71 × 116,906.70 - Step 4: Simplify right side
207,570.14x = 33,483,097,137.36 - Step 5: Solve for x
x = 33,483,097,137.36/207,570.14 - Step 6: Final answer
x = 161,309.80
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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.