Finding the Fourth Proportional to 221,423.60, 332,135.40 and 88,235.30
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Solution
The fourth proportional to 221,423.60, 332,135.40 and 88,235.30 is: 132,352.95
Step by Step Solution
- Step 1: Write the proportion equation
221,423.60 : 332,135.40 = 88,235.30 : x - Step 2: Convert to fraction form
221,423.60/332,135.40 = 88,235.30/x - Step 3: Cross multiply
221,423.60x = 332,135.40 × 88,235.30 - Step 4: Simplify right side
221,423.60x = 29,306,066,659.62 - Step 5: Solve for x
x = 29,306,066,659.62/221,423.60 - Step 6: Final answer
x = 132,352.95
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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.