Finding the Fourth Proportional to 103,344.68, 155,012.94 and 29,472.68
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Solution
The fourth proportional to 103,344.68, 155,012.94 and 29,472.68 is: 44,207.86
Step by Step Solution
- Step 1: Write the proportion equation
103,344.68 : 155,012.94 = 29,472.68 : x - Step 2: Convert to fraction form
103,344.68/155,012.94 = 29,472.68/x - Step 3: Cross multiply
103,344.68x = 155,012.94 × 29,472.68 - Step 4: Simplify right side
103,344.68x = 4,568,646,776.48 - Step 5: Solve for x
x = 4,568,646,776.48/103,344.68 - Step 6: Final answer
x = 44,207.86
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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.