Finding the Fourth Proportional to 207,792.36, 286,685.94 and 127,135.80
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Solution
The fourth proportional to 207,792.36, 286,685.94 and 127,135.80 is: 175,406.09
Step by Step Solution
- Step 1: Write the proportion equation
207,792.36 : 286,685.94 = 127,135.80 : x - Step 2: Convert to fraction form
207,792.36/286,685.94 = 127,135.80/x - Step 3: Cross multiply
207,792.36x = 286,685.94 × 127,135.80 - Step 4: Simplify right side
207,792.36x = 36,448,046,330.65 - Step 5: Solve for x
x = 36,448,046,330.65/207,792.36 - Step 6: Final answer
x = 175,406.09
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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.