Finding the Fourth Proportional to 99,688.37, 149,532.20 and 24,808.50
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Solution
The fourth proportional to 99,688.37, 149,532.20 and 24,808.50 is: 37,212.66
Step by Step Solution
- Step 1: Write the proportion equation
99,688.37 : 149,532.20 = 24,808.50 : x - Step 2: Convert to fraction form
99,688.37/149,532.20 = 24,808.50/x - Step 3: Cross multiply
99,688.37x = 149,532.20 × 24,808.50 - Step 4: Simplify right side
99,688.37x = 3,709,669,459.66 - Step 5: Solve for x
x = 3,709,669,459.66/99,688.37 - Step 6: Final answer
x = 37,212.66
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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.