Finding the Fourth Proportional to 115,847.12, 173,784.36 and 36,933.68
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Solution
The fourth proportional to 115,847.12, 173,784.36 and 36,933.68 is: 55,404.88
Step by Step Solution
- Step 1: Write the proportion equation
115,847.12 : 173,784.36 = 36,933.68 : x - Step 2: Convert to fraction form
115,847.12/173,784.36 = 36,933.68/x - Step 3: Cross multiply
115,847.12x = 173,784.36 × 36,933.68 - Step 4: Simplify right side
115,847.12x = 6,418,495,941.24 - Step 5: Solve for x
x = 6,418,495,941.24/115,847.12 - Step 6: Final answer
x = 55,404.88
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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.