Finding the Fourth Proportional to 207,905.02, 286,908.84 and 117,260.80
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Solution
The fourth proportional to 207,905.02, 286,908.84 and 117,260.80 is: 161,819.85
Step by Step Solution
- Step 1: Write the proportion equation
207,905.02 : 286,908.84 = 117,260.80 : x - Step 2: Convert to fraction form
207,905.02/286,908.84 = 117,260.80/x - Step 3: Cross multiply
207,905.02x = 286,908.84 × 117,260.80 - Step 4: Simplify right side
207,905.02x = 33,643,159,388.20 - Step 5: Solve for x
x = 33,643,159,388.20/207,905.02 - Step 6: Final answer
x = 161,819.85
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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.