Finding the Fourth Proportional to 165,766.20, 248,866.11 and 98,421.18
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Solution
The fourth proportional to 165,766.20, 248,866.11 and 98,421.18 is: 147,760.50
Step by Step Solution
- Step 1: Write the proportion equation
165,766.20 : 248,866.11 = 98,421.18 : x - Step 2: Convert to fraction form
165,766.20/248,866.11 = 98,421.18/x - Step 3: Cross multiply
165,766.20x = 248,866.11 × 98,421.18 - Step 4: Simplify right side
165,766.20x = 24,493,696,208.21 - Step 5: Solve for x
x = 24,493,696,208.21/165,766.20 - Step 6: Final answer
x = 147,760.50
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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.