Finding the Fourth Proportional to 170,711.15, 255,922.12 and 70,808.99
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Solution
The fourth proportional to 170,711.15, 255,922.12 and 70,808.99 is: 106,153.50
Step by Step Solution
- Step 1: Write the proportion equation
170,711.15 : 255,922.12 = 70,808.99 : x - Step 2: Convert to fraction form
170,711.15/255,922.12 = 70,808.99/x - Step 3: Cross multiply
170,711.15x = 255,922.12 × 70,808.99 - Step 4: Simplify right side
170,711.15x = 18,121,586,835.86 - Step 5: Solve for x
x = 18,121,586,835.86/170,711.15 - Step 6: Final answer
x = 106,153.50
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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.