Finding the Fourth Proportional to 207,963.23, 286,992.05 and 117,318.92
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Solution
The fourth proportional to 207,963.23, 286,992.05 and 117,318.92 is: 161,901.68
Step by Step Solution
- Step 1: Write the proportion equation
207,963.23 : 286,992.05 = 117,318.92 : x - Step 2: Convert to fraction form
207,963.23/286,992.05 = 117,318.92/x - Step 3: Cross multiply
207,963.23x = 286,992.05 × 117,318.92 - Step 4: Simplify right side
207,963.23x = 33,669,597,354.59 - Step 5: Solve for x
x = 33,669,597,354.59/207,963.23 - Step 6: Final answer
x = 161,901.68
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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.