Finding the Fourth Proportional to 274,628.84, 411,793.10 and 218,066.09
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Solution
The fourth proportional to 274,628.84, 411,793.10 and 218,066.09 is: 326,979.90
Step by Step Solution
- Step 1: Write the proportion equation
274,628.84 : 411,793.10 = 218,066.09 : x - Step 2: Convert to fraction form
274,628.84/411,793.10 = 218,066.09/x - Step 3: Cross multiply
274,628.84x = 411,793.10 × 218,066.09 - Step 4: Simplify right side
274,628.84x = 89,798,111,145.13 - Step 5: Solve for x
x = 89,798,111,145.13/274,628.84 - Step 6: Final answer
x = 326,979.90
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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.