Finding the Fourth Proportional to 217,740.23, 300,473.80 and 122,250.95
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Solution
The fourth proportional to 217,740.23, 300,473.80 and 122,250.95 is: 168,701.98
Step by Step Solution
- Step 1: Write the proportion equation
217,740.23 : 300,473.80 = 122,250.95 : x - Step 2: Convert to fraction form
217,740.23/300,473.80 = 122,250.95/x - Step 3: Cross multiply
217,740.23x = 300,473.80 × 122,250.95 - Step 4: Simplify right side
217,740.23x = 36,733,207,500.11 - Step 5: Solve for x
x = 36,733,207,500.11/217,740.23 - Step 6: Final answer
x = 168,701.98
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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.