Finding the Fourth Proportional to 366,438.86, 549,523.18 and 126,491.75
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Solution
The fourth proportional to 366,438.86, 549,523.18 and 126,491.75 is: 189,690.99
Step by Step Solution
- Step 1: Write the proportion equation
366,438.86 : 549,523.18 = 126,491.75 : x - Step 2: Convert to fraction form
366,438.86/549,523.18 = 126,491.75/x - Step 3: Cross multiply
366,438.86x = 549,523.18 × 126,491.75 - Step 4: Simplify right side
366,438.86x = 69,510,148,703.77 - Step 5: Solve for x
x = 69,510,148,703.77/366,438.86 - Step 6: Final answer
x = 189,690.99
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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.