Finding the Fourth Proportional to 228,537.80, 342,806.70 and 110,439.80
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Solution
The fourth proportional to 228,537.80, 342,806.70 and 110,439.80 is: 165,659.70
Step by Step Solution
- Step 1: Write the proportion equation
228,537.80 : 342,806.70 = 110,439.80 : x - Step 2: Convert to fraction form
228,537.80/342,806.70 = 110,439.80/x - Step 3: Cross multiply
228,537.80x = 342,806.70 × 110,439.80 - Step 4: Simplify right side
228,537.80x = 37,859,503,386.66 - Step 5: Solve for x
x = 37,859,503,386.66/228,537.80 - Step 6: Final answer
x = 165,659.70
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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.