Finding the Fourth Proportional to 120,347.68, 180,550.36 and 37,241.68
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Solution
The fourth proportional to 120,347.68, 180,550.36 and 37,241.68 is: 55,871.44
Step by Step Solution
- Step 1: Write the proportion equation
120,347.68 : 180,550.36 = 37,241.68 : x - Step 2: Convert to fraction form
120,347.68/180,550.36 = 37,241.68/x - Step 3: Cross multiply
120,347.68x = 180,550.36 × 37,241.68 - Step 4: Simplify right side
120,347.68x = 6,723,998,731.00 - Step 5: Solve for x
x = 6,723,998,731.00/120,347.68 - Step 6: Final answer
x = 55,871.44
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1.5x scale
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.