Finding the Fourth Proportional to 221,739.62, 306,000.56 and 119,765.03
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Solution
The fourth proportional to 221,739.62, 306,000.56 and 119,765.03 is: 165,275.67
Step by Step Solution
- Step 1: Write the proportion equation
221,739.62 : 306,000.56 = 119,765.03 : x - Step 2: Convert to fraction form
221,739.62/306,000.56 = 119,765.03/x - Step 3: Cross multiply
221,739.62x = 306,000.56 × 119,765.03 - Step 4: Simplify right side
221,739.62x = 36,648,164,119.59 - Step 5: Solve for x
x = 36,648,164,119.59/221,739.62 - Step 6: Final answer
x = 165,275.67
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1.5x scale
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.