Finding the Fourth Proportional to 508,747.20, 763,228.74 and 193,197.12
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Solution
The fourth proportional to 508,747.20, 763,228.74 and 193,197.12 is: 289,836.67
Step by Step Solution
- Step 1: Write the proportion equation
508,747.20 : 763,228.74 = 193,197.12 : x - Step 2: Convert to fraction form
508,747.20/763,228.74 = 193,197.12/x - Step 3: Cross multiply
508,747.20x = 763,228.74 × 193,197.12 - Step 4: Simplify right side
508,747.20x = 147,453,594,469.23 - Step 5: Solve for x
x = 147,453,594,469.23/508,747.20 - Step 6: Final answer
x = 289,836.67
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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.