Finding the Fourth Proportional to 207,819.93, 286,807.75 and 115,968.09
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Solution
The fourth proportional to 207,819.93, 286,807.75 and 115,968.09 is: 160,045.03
Step by Step Solution
- Step 1: Write the proportion equation
207,819.93 : 286,807.75 = 115,968.09 : x - Step 2: Convert to fraction form
207,819.93/286,807.75 = 115,968.09/x - Step 3: Cross multiply
207,819.93x = 286,807.75 × 115,968.09 - Step 4: Simplify right side
207,819.93x = 33,260,547,750.31 - Step 5: Solve for x
x = 33,260,547,750.31/207,819.93 - Step 6: Final answer
x = 160,045.03
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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.