Finding the Fourth Proportional to 328,647.63, 453,532.41 and 185,407.68
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Solution
The fourth proportional to 328,647.63, 453,532.41 and 185,407.68 is: 255,861.85
Step by Step Solution
- Step 1: Write the proportion equation
328,647.63 : 453,532.41 = 185,407.68 : x - Step 2: Convert to fraction form
328,647.63/453,532.41 = 185,407.68/x - Step 3: Cross multiply
328,647.63x = 453,532.41 × 185,407.68 - Step 4: Simplify right side
328,647.63x = 84,088,391,942.91 - Step 5: Solve for x
x = 84,088,391,942.91/328,647.63 - Step 6: Final answer
x = 255,861.85
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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.