Finding the Fourth Proportional to 255,768.24, 353,183.04 and 160,438.80
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Solution
The fourth proportional to 255,768.24, 353,183.04 and 160,438.80 is: 221,545.35
Step by Step Solution
- Step 1: Write the proportion equation
255,768.24 : 353,183.04 = 160,438.80 : x - Step 2: Convert to fraction form
255,768.24/353,183.04 = 160,438.80/x - Step 3: Cross multiply
255,768.24x = 353,183.04 × 160,438.80 - Step 4: Simplify right side
255,768.24x = 56,664,263,117.95 - Step 5: Solve for x
x = 56,664,263,117.95/255,768.24 - Step 6: Final answer
x = 221,545.35
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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.