Finding the Fourth Proportional to 200,728.68, 276,985.62 and 115,873.08
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Solution
The fourth proportional to 200,728.68, 276,985.62 and 115,873.08 is: 159,893.33
Step by Step Solution
- Step 1: Write the proportion equation
200,728.68 : 276,985.62 = 115,873.08 : x - Step 2: Convert to fraction form
200,728.68/276,985.62 = 115,873.08/x - Step 3: Cross multiply
200,728.68x = 276,985.62 × 115,873.08 - Step 4: Simplify right side
200,728.68x = 32,095,176,905.11 - Step 5: Solve for x
x = 32,095,176,905.11/200,728.68 - Step 6: Final answer
x = 159,893.33
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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.