Finding the Fourth Proportional to 209,733.30, 314,599.95 and 151,121.70
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Solution
The fourth proportional to 209,733.30, 314,599.95 and 151,121.70 is: 226,682.55
Step by Step Solution
- Step 1: Write the proportion equation
209,733.30 : 314,599.95 = 151,121.70 : x - Step 2: Convert to fraction form
209,733.30/314,599.95 = 151,121.70/x - Step 3: Cross multiply
209,733.30x = 314,599.95 × 151,121.70 - Step 4: Simplify right side
209,733.30x = 47,542,879,263.92 - Step 5: Solve for x
x = 47,542,879,263.92/209,733.30 - Step 6: Final answer
x = 226,682.55
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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.