Finding the Fourth Proportional to 480,420.34, 720,660.23 and 160,600.99
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Solution
The fourth proportional to 480,420.34, 720,660.23 and 160,600.99 is: 240,911.42
Step by Step Solution
- Step 1: Write the proportion equation
480,420.34 : 720,660.23 = 160,600.99 : x - Step 2: Convert to fraction form
480,420.34/720,660.23 = 160,600.99/x - Step 3: Cross multiply
480,420.34x = 720,660.23 × 160,600.99 - Step 4: Simplify right side
480,420.34x = 115,738,746,391.63 - Step 5: Solve for x
x = 115,738,746,391.63/480,420.34 - Step 6: Final answer
x = 240,911.42
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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.