Finding the Fourth Proportional to 159,624.10, 239,436.15 and 88,765.30
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Solution
The fourth proportional to 159,624.10, 239,436.15 and 88,765.30 is: 133,147.95
Step by Step Solution
- Step 1: Write the proportion equation
159,624.10 : 239,436.15 = 88,765.30 : x - Step 2: Convert to fraction form
159,624.10/239,436.15 = 88,765.30/x - Step 3: Cross multiply
159,624.10x = 239,436.15 × 88,765.30 - Step 4: Simplify right side
159,624.10x = 21,253,621,685.60 - Step 5: Solve for x
x = 21,253,621,685.60/159,624.10 - Step 6: Final answer
x = 133,147.95
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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.