Finding the Fourth Proportional to 320,195.24, 480,292.87 and 120,560.41
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Solution
The fourth proportional to 320,195.24, 480,292.87 and 120,560.41 is: 180,840.62
Step by Step Solution
- Step 1: Write the proportion equation
320,195.24 : 480,292.87 = 120,560.41 : x - Step 2: Convert to fraction form
320,195.24/480,292.87 = 120,560.41/x - Step 3: Cross multiply
320,195.24x = 480,292.87 × 120,560.41 - Step 4: Simplify right side
320,195.24x = 57,904,305,327.28 - Step 5: Solve for x
x = 57,904,305,327.28/320,195.24 - Step 6: Final answer
x = 180,840.62
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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.