Finding the Fourth Proportional to 103,440.70, 155,161.05 and 44,391.70
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Solution
The fourth proportional to 103,440.70, 155,161.05 and 44,391.70 is: 66,587.55
Step by Step Solution
- Step 1: Write the proportion equation
103,440.70 : 155,161.05 = 44,391.70 : x - Step 2: Convert to fraction form
103,440.70/155,161.05 = 44,391.70/x - Step 3: Cross multiply
103,440.70x = 155,161.05 × 44,391.70 - Step 4: Simplify right side
103,440.70x = 6,887,862,783.29 - Step 5: Solve for x
x = 6,887,862,783.29/103,440.70 - Step 6: Final answer
x = 66,587.55
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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.