Finding the Fourth Proportional to 328,456.98, 453,286.19 and 185,213.95
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Solution
The fourth proportional to 328,456.98, 453,286.19 and 185,213.95 is: 255,604.02
Step by Step Solution
- Step 1: Write the proportion equation
328,456.98 : 453,286.19 = 185,213.95 : x - Step 2: Convert to fraction form
328,456.98/453,286.19 = 185,213.95/x - Step 3: Cross multiply
328,456.98x = 453,286.19 × 185,213.95 - Step 4: Simplify right side
328,456.98x = 83,954,925,730.35 - Step 5: Solve for x
x = 83,954,925,730.35/328,456.98 - Step 6: Final answer
x = 255,604.02
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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.