Finding the Fourth Proportional to 273,057.28, 376,506.88 and 221,930.08
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Solution
The fourth proportional to 273,057.28, 376,506.88 and 221,930.08 is: 306,009.79
Step by Step Solution
- Step 1: Write the proportion equation
273,057.28 : 376,506.88 = 221,930.08 : x - Step 2: Convert to fraction form
273,057.28/376,506.88 = 221,930.08/x - Step 3: Cross multiply
273,057.28x = 376,506.88 × 221,930.08 - Step 4: Simplify right side
273,057.28x = 83,558,201,998.95 - Step 5: Solve for x
x = 83,558,201,998.95/273,057.28 - Step 6: Final answer
x = 306,009.79
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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.