Finding the Fourth Proportional to 147,329.46, 221,090.99 and 80,816.31
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Solution
The fourth proportional to 147,329.46, 221,090.99 and 80,816.31 is: 121,277.56
Step by Step Solution
- Step 1: Write the proportion equation
147,329.46 : 221,090.99 = 80,816.31 : x - Step 2: Convert to fraction form
147,329.46/221,090.99 = 80,816.31/x - Step 3: Cross multiply
147,329.46x = 221,090.99 × 80,816.31 - Step 4: Simplify right side
147,329.46x = 17,867,757,581.97 - Step 5: Solve for x
x = 17,867,757,581.97/147,329.46 - Step 6: Final answer
x = 121,277.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.