Finding the Fourth Proportional to 157,414.95, 236,138.85 and 67,466.70
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Solution
The fourth proportional to 157,414.95, 236,138.85 and 67,466.70 is: 101,207.09
Step by Step Solution
- Step 1: Write the proportion equation
157,414.95 : 236,138.85 = 67,466.70 : x - Step 2: Convert to fraction form
157,414.95/236,138.85 = 67,466.70/x - Step 3: Cross multiply
157,414.95x = 236,138.85 × 67,466.70 - Step 4: Simplify right side
157,414.95x = 15,931,508,951.30 - Step 5: Solve for x
x = 15,931,508,951.30/157,414.95 - Step 6: Final answer
x = 101,207.09
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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.