Finding the Fourth Proportional to 141,621.18, 212,480.98 and 62,790.78
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Solution
The fourth proportional to 141,621.18, 212,480.98 and 62,790.78 is: 94,207.99
Step by Step Solution
- Step 1: Write the proportion equation
141,621.18 : 212,480.98 = 62,790.78 : x - Step 2: Convert to fraction form
141,621.18/212,480.98 = 62,790.78/x - Step 3: Cross multiply
141,621.18x = 212,480.98 × 62,790.78 - Step 4: Simplify right side
141,621.18x = 13,341,846,469.36 - Step 5: Solve for x
x = 13,341,846,469.36/141,621.18 - Step 6: Final answer
x = 94,207.99
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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.