Finding the Fourth Proportional to 207,214.11, 285,955.05 and 116,570.14
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Solution
The fourth proportional to 207,214.11, 285,955.05 and 116,570.14 is: 160,866.56
Step by Step Solution
- Step 1: Write the proportion equation
207,214.11 : 285,955.05 = 116,570.14 : x - Step 2: Convert to fraction form
207,214.11/285,955.05 = 116,570.14/x - Step 3: Cross multiply
207,214.11x = 285,955.05 × 116,570.14 - Step 4: Simplify right side
207,214.11x = 33,333,820,212.21 - Step 5: Solve for x
x = 33,333,820,212.21/207,214.11 - Step 6: Final answer
x = 160,866.56
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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.