Finding the Fourth Proportional to 150,841.06, 208,113.84 and 87,155.62
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Solution
The fourth proportional to 150,841.06, 208,113.84 and 87,155.62 is: 120,247.70
Step by Step Solution
- Step 1: Write the proportion equation
150,841.06 : 208,113.84 = 87,155.62 : x - Step 2: Convert to fraction form
150,841.06/208,113.84 = 87,155.62/x - Step 3: Cross multiply
150,841.06x = 208,113.84 × 87,155.62 - Step 4: Simplify right side
150,841.06x = 18,138,290,755.78 - Step 5: Solve for x
x = 18,138,290,755.78/150,841.06 - Step 6: Final answer
x = 120,247.70
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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.