Finding the Fourth Proportional to 103,695.79, 155,414.26 and 44,462.74
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Solution
The fourth proportional to 103,695.79, 155,414.26 and 44,462.74 is: 66,638.62
Step by Step Solution
- Step 1: Write the proportion equation
103,695.79 : 155,414.26 = 44,462.74 : x - Step 2: Convert to fraction form
103,695.79/155,414.26 = 44,462.74/x - Step 3: Cross multiply
103,695.79x = 155,414.26 × 44,462.74 - Step 4: Simplify right side
103,695.79x = 6,910,143,834.67 - Step 5: Solve for x
x = 6,910,143,834.67/103,695.79 - Step 6: Final answer
x = 66,638.62
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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.