Finding the Fourth Proportional to 294,014.13, 405,310.04 and 207,821.05
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Solution
The fourth proportional to 294,014.13, 405,310.04 and 207,821.05 is: 286,489.49
Step by Step Solution
- Step 1: Write the proportion equation
294,014.13 : 405,310.04 = 207,821.05 : x - Step 2: Convert to fraction form
294,014.13/405,310.04 = 207,821.05/x - Step 3: Cross multiply
294,014.13x = 405,310.04 × 207,821.05 - Step 4: Simplify right side
294,014.13x = 84,231,958,088.34 - Step 5: Solve for x
x = 84,231,958,088.34/294,014.13 - Step 6: Final answer
x = 286,489.49
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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.