Finding the Fourth Proportional to 220,211.06, 330,394.95 and 135,873.05
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Solution
The fourth proportional to 220,211.06, 330,394.95 and 135,873.05 is: 203,857.92
Step by Step Solution
- Step 1: Write the proportion equation
220,211.06 : 330,394.95 = 135,873.05 : x - Step 2: Convert to fraction form
220,211.06/330,394.95 = 135,873.05/x - Step 3: Cross multiply
220,211.06x = 330,394.95 × 135,873.05 - Step 4: Simplify right side
220,211.06x = 44,891,767,909.12 - Step 5: Solve for x
x = 44,891,767,909.12/220,211.06 - Step 6: Final answer
x = 203,857.92
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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.