Finding the Fourth Proportional to 193,630.20, 267,208.74 and 107,603.19
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Solution
The fourth proportional to 193,630.20, 267,208.74 and 107,603.19 is: 148,491.88
Step by Step Solution
- Step 1: Write the proportion equation
193,630.20 : 267,208.74 = 107,603.19 : x - Step 2: Convert to fraction form
193,630.20/267,208.74 = 107,603.19/x - Step 3: Cross multiply
193,630.20x = 267,208.74 × 107,603.19 - Step 4: Simplify right side
193,630.20x = 28,752,512,819.88 - Step 5: Solve for x
x = 28,752,512,819.88/193,630.20 - Step 6: Final answer
x = 148,491.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.