Finding the Fourth Proportional to 320,277.87, 480,436.62 and 107,064.97
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Solution
The fourth proportional to 320,277.87, 480,436.62 and 107,064.97 is: 160,604.08
Step by Step Solution
- Step 1: Write the proportion equation
320,277.87 : 480,436.62 = 107,064.97 : x - Step 2: Convert to fraction form
320,277.87/480,436.62 = 107,064.97/x - Step 3: Cross multiply
320,277.87x = 480,436.62 × 107,064.97 - Step 4: Simplify right side
320,277.87x = 51,437,932,307.20 - Step 5: Solve for x
x = 51,437,932,307.20/320,277.87 - Step 6: Final answer
x = 160,604.08
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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.