Finding the Fourth Proportional to 221,950.96, 306,311.09 and 135,909.52
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Solution
The fourth proportional to 221,950.96, 306,311.09 and 135,909.52 is: 187,566.62
Step by Step Solution
- Step 1: Write the proportion equation
221,950.96 : 306,311.09 = 135,909.52 : x - Step 2: Convert to fraction form
221,950.96/306,311.09 = 135,909.52/x - Step 3: Cross multiply
221,950.96x = 306,311.09 × 135,909.52 - Step 4: Simplify right side
221,950.96x = 41,630,591,767.25 - Step 5: Solve for x
x = 41,630,591,767.25/221,950.96 - Step 6: Final answer
x = 187,566.62
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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.