Finding the Fourth Proportional to 221,903.20, 332,854.80 and 97,487.20
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Solution
The fourth proportional to 221,903.20, 332,854.80 and 97,487.20 is: 146,230.80
Step by Step Solution
- Step 1: Write the proportion equation
221,903.20 : 332,854.80 = 97,487.20 : x - Step 2: Convert to fraction form
221,903.20/332,854.80 = 97,487.20/x - Step 3: Cross multiply
221,903.20x = 332,854.80 × 97,487.20 - Step 4: Simplify right side
221,903.20x = 32,449,082,458.56 - Step 5: Solve for x
x = 32,449,082,458.56/221,903.20 - Step 6: Final answer
x = 146,230.80
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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.