Finding the Fourth Proportional to 228,637.09, 343,177.40 and 110,391.49
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Solution
The fourth proportional to 228,637.09, 343,177.40 and 110,391.49 is: 165,694.31
Step by Step Solution
- Step 1: Write the proportion equation
228,637.09 : 343,177.40 = 110,391.49 : x - Step 2: Convert to fraction form
228,637.09/343,177.40 = 110,391.49/x - Step 3: Cross multiply
228,637.09x = 343,177.40 × 110,391.49 - Step 4: Simplify right side
228,637.09x = 37,883,864,520.33 - Step 5: Solve for x
x = 37,883,864,520.33/228,637.09 - Step 6: Final answer
x = 165,694.31
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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.