Finding the Fourth Proportional to 226,661.63, 339,990.41 and 84,502.07
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Solution
The fourth proportional to 226,661.63, 339,990.41 and 84,502.07 is: 126,752.35
Step by Step Solution
- Step 1: Write the proportion equation
226,661.63 : 339,990.41 = 84,502.07 : x - Step 2: Convert to fraction form
226,661.63/339,990.41 = 84,502.07/x - Step 3: Cross multiply
226,661.63x = 339,990.41 × 84,502.07 - Step 4: Simplify right side
226,661.63x = 28,729,893,211.42 - Step 5: Solve for x
x = 28,729,893,211.42/226,661.63 - Step 6: Final answer
x = 126,752.35
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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.