Finding the Fourth Proportional to 165,765.40, 248,355.30 and 160,283.80
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Solution
The fourth proportional to 165,765.40, 248,355.30 and 160,283.80 is: 240,142.58
Step by Step Solution
- Step 1: Write the proportion equation
165,765.40 : 248,355.30 = 160,283.80 : x - Step 2: Convert to fraction form
165,765.40/248,355.30 = 160,283.80/x - Step 3: Cross multiply
165,765.40x = 248,355.30 × 160,283.80 - Step 4: Simplify right side
165,765.40x = 39,807,331,234.14 - Step 5: Solve for x
x = 39,807,331,234.14/165,765.40 - Step 6: Final answer
x = 240,142.58
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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.