Finding the Fourth Proportional to 719,994.75, 1,080,167.10 and 221,358.75
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Solution
The fourth proportional to 719,994.75, 1,080,167.10 and 221,358.75 is: 332,091.92
Step by Step Solution
- Step 1: Write the proportion equation
719,994.75 : 1,080,167.10 = 221,358.75 : x - Step 2: Convert to fraction form
719,994.75/1,080,167.10 = 221,358.75/x - Step 3: Cross multiply
719,994.75x = 1,080,167.10 × 221,358.75 - Step 4: Simplify right side
719,994.75x = 239,104,439,047.13 - Step 5: Solve for x
x = 239,104,439,047.13/719,994.75 - Step 6: Final answer
x = 332,091.92
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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.