Finding the Fourth Proportional to 207,934.24, 286,949.26 and 112,440.94
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Solution
The fourth proportional to 207,934.24, 286,949.26 and 112,440.94 is: 155,168.50
Step by Step Solution
- Step 1: Write the proportion equation
207,934.24 : 286,949.26 = 112,440.94 : x - Step 2: Convert to fraction form
207,934.24/286,949.26 = 112,440.94/x - Step 3: Cross multiply
207,934.24x = 286,949.26 × 112,440.94 - Step 4: Simplify right side
207,934.24x = 32,264,844,526.70 - Step 5: Solve for x
x = 32,264,844,526.70/207,934.24 - Step 6: Final answer
x = 155,168.50
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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.