Finding the Fourth Proportional to 221,833.20, 306,129.81 and 119,858.69
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Solution
The fourth proportional to 221,833.20, 306,129.81 and 119,858.69 is: 165,404.99
Step by Step Solution
- Step 1: Write the proportion equation
221,833.20 : 306,129.81 = 119,858.69 : x - Step 2: Convert to fraction form
221,833.20/306,129.81 = 119,858.69/x - Step 3: Cross multiply
221,833.20x = 306,129.81 × 119,858.69 - Step 4: Simplify right side
221,833.20x = 36,692,319,211.34 - Step 5: Solve for x
x = 36,692,319,211.34/221,833.20 - Step 6: Final answer
x = 165,404.99
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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.