Finding the Fourth Proportional to 120,269.08, 180,430.26 and 36,025.84
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Solution
The fourth proportional to 120,269.08, 180,430.26 and 36,025.84 is: 54,046.74
Step by Step Solution
- Step 1: Write the proportion equation
120,269.08 : 180,430.26 = 36,025.84 : x - Step 2: Convert to fraction form
120,269.08/180,430.26 = 36,025.84/x - Step 3: Cross multiply
120,269.08x = 180,430.26 × 36,025.84 - Step 4: Simplify right side
120,269.08x = 6,500,151,677.92 - Step 5: Solve for x
x = 6,500,151,677.92/120,269.08 - Step 6: Final answer
x = 54,046.74
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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.