Finding the Fourth Proportional to 328,474.08, 453,416.76 and 255,732.84
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Solution
The fourth proportional to 328,474.08, 453,416.76 and 255,732.84 is: 353,006.71
Step by Step Solution
- Step 1: Write the proportion equation
328,474.08 : 453,416.76 = 255,732.84 : x - Step 2: Convert to fraction form
328,474.08/453,416.76 = 255,732.84/x - Step 3: Cross multiply
328,474.08x = 453,416.76 × 255,732.84 - Step 4: Simplify right side
328,474.08x = 115,953,555,738.40 - Step 5: Solve for x
x = 115,953,555,738.40/328,474.08 - Step 6: Final answer
x = 353,006.71
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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.