Finding the Fourth Proportional to 107,318.20, 160,977.30 and 48,155.80
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Solution
The fourth proportional to 107,318.20, 160,977.30 and 48,155.80 is: 72,233.70
Step by Step Solution
- Step 1: Write the proportion equation
107,318.20 : 160,977.30 = 48,155.80 : x - Step 2: Convert to fraction form
107,318.20/160,977.30 = 48,155.80/x - Step 3: Cross multiply
107,318.20x = 160,977.30 × 48,155.80 - Step 4: Simplify right side
107,318.20x = 7,751,990,663.34 - Step 5: Solve for x
x = 7,751,990,663.34/107,318.20 - Step 6: Final answer
x = 72,233.70
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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.