Finding the Fourth Proportional to 221,740.36, 306,001.60 and 119,765.79
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Solution
The fourth proportional to 221,740.36, 306,001.60 and 119,765.79 is: 165,276.74
Step by Step Solution
- Step 1: Write the proportion equation
221,740.36 : 306,001.60 = 119,765.79 : x - Step 2: Convert to fraction form
221,740.36/306,001.60 = 119,765.79/x - Step 3: Cross multiply
221,740.36x = 306,001.60 × 119,765.79 - Step 4: Simplify right side
221,740.36x = 36,648,523,065.85 - Step 5: Solve for x
x = 36,648,523,065.85/221,740.36 - Step 6: Final answer
x = 165,276.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.