Finding the Fourth Proportional to 99,688.52, 149,540.87 and 29,567.63
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Solution
The fourth proportional to 99,688.52, 149,540.87 and 29,567.63 is: 44,353.84
Step by Step Solution
- Step 1: Write the proportion equation
99,688.52 : 149,540.87 = 29,567.63 : x - Step 2: Convert to fraction form
99,688.52/149,540.87 = 29,567.63/x - Step 3: Cross multiply
99,688.52x = 149,540.87 × 29,567.63 - Step 4: Simplify right side
99,688.52x = 4,421,568,440.25 - Step 5: Solve for x
x = 4,421,568,440.25/99,688.52 - Step 6: Final answer
x = 44,353.84
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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.