Finding the Fourth Proportional to 173,987.79, 261,007.61 and 80,502.99
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Solution
The fourth proportional to 173,987.79, 261,007.61 and 80,502.99 is: 120,766.48
Step by Step Solution
- Step 1: Write the proportion equation
173,987.79 : 261,007.61 = 80,502.99 : x - Step 2: Convert to fraction form
173,987.79/261,007.61 = 80,502.99/x - Step 3: Cross multiply
173,987.79x = 261,007.61 × 80,502.99 - Step 4: Simplify right side
173,987.79x = 21,011,892,615.24 - Step 5: Solve for x
x = 21,011,892,615.24/173,987.79 - Step 6: Final answer
x = 120,766.48
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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.