Finding the Fourth Proportional to 328,311.62, 453,070.02 and 177,408.62
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Solution
The fourth proportional to 328,311.62, 453,070.02 and 177,408.62 is: 244,823.89
Step by Step Solution
- Step 1: Write the proportion equation
328,311.62 : 453,070.02 = 177,408.62 : x - Step 2: Convert to fraction form
328,311.62/453,070.02 = 177,408.62/x - Step 3: Cross multiply
328,311.62x = 453,070.02 × 177,408.62 - Step 4: Simplify right side
328,311.62x = 80,378,527,011.57 - Step 5: Solve for x
x = 80,378,527,011.57/328,311.62 - Step 6: Final answer
x = 244,823.89
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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.