Finding the Fourth Proportional to 103,626.04, 155,431.99 and 40,434.48
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Solution
The fourth proportional to 103,626.04, 155,431.99 and 40,434.48 is: 60,648.96
Step by Step Solution
- Step 1: Write the proportion equation
103,626.04 : 155,431.99 = 40,434.48 : x - Step 2: Convert to fraction form
103,626.04/155,431.99 = 40,434.48/x - Step 3: Cross multiply
103,626.04x = 155,431.99 × 40,434.48 - Step 4: Simplify right side
103,626.04x = 6,284,811,691.02 - Step 5: Solve for x
x = 6,284,811,691.02/103,626.04 - Step 6: Final answer
x = 60,648.96
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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.