Finding the Fourth Proportional to 221,451.70, 332,226.15 and 71,698.90
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Solution
The fourth proportional to 221,451.70, 332,226.15 and 71,698.90 is: 107,564.09
Step by Step Solution
- Step 1: Write the proportion equation
221,451.70 : 332,226.15 = 71,698.90 : x - Step 2: Convert to fraction form
221,451.70/332,226.15 = 71,698.90/x - Step 3: Cross multiply
221,451.70x = 332,226.15 × 71,698.90 - Step 4: Simplify right side
221,451.70x = 23,820,249,506.24 - Step 5: Solve for x
x = 23,820,249,506.24/221,451.70 - Step 6: Final answer
x = 107,564.09
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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.