Finding the Fourth Proportional to 99,769.22, 149,650.19 and 29,646.71
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Solution
The fourth proportional to 99,769.22, 149,650.19 and 29,646.71 is: 44,468.99
Step by Step Solution
- Step 1: Write the proportion equation
99,769.22 : 149,650.19 = 29,646.71 : x - Step 2: Convert to fraction form
99,769.22/149,650.19 = 29,646.71/x - Step 3: Cross multiply
99,769.22x = 149,650.19 × 29,646.71 - Step 4: Simplify right side
99,769.22x = 4,436,636,121.44 - Step 5: Solve for x
x = 4,436,636,121.44/99,769.22 - Step 6: Final answer
x = 44,468.99
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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.