Finding the Fourth Proportional to 120,346.68, 180,548.86 and 37,240.68
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Solution
The fourth proportional to 120,346.68, 180,548.86 and 37,240.68 is: 55,869.94
Step by Step Solution
- Step 1: Write the proportion equation
120,346.68 : 180,548.86 = 37,240.68 : x - Step 2: Convert to fraction form
120,346.68/180,548.86 = 37,240.68/x - Step 3: Cross multiply
120,346.68x = 180,548.86 × 37,240.68 - Step 4: Simplify right side
120,346.68x = 6,723,762,319.62 - Step 5: Solve for x
x = 6,723,762,319.62/120,346.68 - Step 6: Final answer
x = 55,869.94
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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.