Finding the Fourth Proportional to 719,998.75, 1,080,173.10 and 221,362.75
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Solution
The fourth proportional to 719,998.75, 1,080,173.10 and 221,362.75 is: 332,097.92
Step by Step Solution
- Step 1: Write the proportion equation
719,998.75 : 1,080,173.10 = 221,362.75 : x - Step 2: Convert to fraction form
719,998.75/1,080,173.10 = 221,362.75/x - Step 3: Cross multiply
719,998.75x = 1,080,173.10 × 221,362.75 - Step 4: Simplify right side
719,998.75x = 239,110,087,892.03 - Step 5: Solve for x
x = 239,110,087,892.03/719,998.75 - Step 6: Final answer
x = 332,097.92
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1.5x scale
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.