Finding the Fourth Proportional to 480,421.34, 720,661.73 and 160,601.99
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Solution
The fourth proportional to 480,421.34, 720,661.73 and 160,601.99 is: 240,912.92
Step by Step Solution
- Step 1: Write the proportion equation
480,421.34 : 720,661.73 = 160,601.99 : x - Step 2: Convert to fraction form
480,421.34/720,661.73 = 160,601.99/x - Step 3: Cross multiply
480,421.34x = 720,661.73 × 160,601.99 - Step 4: Simplify right side
480,421.34x = 115,739,707,954.84 - Step 5: Solve for x
x = 115,739,707,954.84/480,421.34 - Step 6: Final answer
x = 240,912.92
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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.