Finding the Fourth Proportional to 103,101.96, 154,609.20 and 36,558.84
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Solution
The fourth proportional to 103,101.96, 154,609.20 and 36,558.84 is: 54,822.75
Step by Step Solution
- Step 1: Write the proportion equation
103,101.96 : 154,609.20 = 36,558.84 : x - Step 2: Convert to fraction form
103,101.96/154,609.20 = 36,558.84/x - Step 3: Cross multiply
103,101.96x = 154,609.20 × 36,558.84 - Step 4: Simplify right side
103,101.96x = 5,652,333,005.33 - Step 5: Solve for x
x = 5,652,333,005.33/103,101.96 - Step 6: Final answer
x = 54,822.75
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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.