Finding the Fourth Proportional to 305,595.68, 421,677.05 and 169,630.65
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Solution
The fourth proportional to 305,595.68, 421,677.05 and 169,630.65 is: 234,065.33
Step by Step Solution
- Step 1: Write the proportion equation
305,595.68 : 421,677.05 = 169,630.65 : x - Step 2: Convert to fraction form
305,595.68/421,677.05 = 169,630.65/x - Step 3: Cross multiply
305,595.68x = 421,677.05 × 169,630.65 - Step 4: Simplify right side
305,595.68x = 71,529,351,233.43 - Step 5: Solve for x
x = 71,529,351,233.43/305,595.68 - Step 6: Final answer
x = 234,065.33
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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.