Finding the Fourth Proportional to 200,566.13, 276,783.08 and 115,685.01
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Solution
The fourth proportional to 200,566.13, 276,783.08 and 115,685.01 is: 159,646.37
Step by Step Solution
- Step 1: Write the proportion equation
200,566.13 : 276,783.08 = 115,685.01 : x - Step 2: Convert to fraction form
200,566.13/276,783.08 = 115,685.01/x - Step 3: Cross multiply
200,566.13x = 276,783.08 × 115,685.01 - Step 4: Simplify right side
200,566.13x = 32,019,652,799.21 - Step 5: Solve for x
x = 32,019,652,799.21/200,566.13 - Step 6: Final answer
x = 159,646.37
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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.