Finding the Fourth Proportional to 207,823.51, 286,794.43 and 115,943.59
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Solution
The fourth proportional to 207,823.51, 286,794.43 and 115,943.59 is: 160,001.03
Step by Step Solution
- Step 1: Write the proportion equation
207,823.51 : 286,794.43 = 115,943.59 : x - Step 2: Convert to fraction form
207,823.51/286,794.43 = 115,943.59/x - Step 3: Cross multiply
207,823.51x = 286,794.43 × 115,943.59 - Step 4: Simplify right side
207,823.51x = 33,251,975,806.20 - Step 5: Solve for x
x = 33,251,975,806.20/207,823.51 - Step 6: Final answer
x = 160,001.03
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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.