Finding the Fourth Proportional to 415,789.71, 573,542.12 and 262,557.55
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Solution
The fourth proportional to 415,789.71, 573,542.12 and 262,557.55 is: 362,173.02
Step by Step Solution
- Step 1: Write the proportion equation
415,789.71 : 573,542.12 = 262,557.55 : x - Step 2: Convert to fraction form
415,789.71/573,542.12 = 262,557.55/x - Step 3: Cross multiply
415,789.71x = 573,542.12 × 262,557.55 - Step 4: Simplify right side
415,789.71x = 150,587,813,745.44 - Step 5: Solve for x
x = 150,587,813,745.44/415,789.71 - Step 6: Final answer
x = 362,173.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.