Finding the Fourth Proportional to 328,894.95, 453,876.48 and 177,991.95
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Solution
The fourth proportional to 328,894.95, 453,876.48 and 177,991.95 is: 245,629.68
Step by Step Solution
- Step 1: Write the proportion equation
328,894.95 : 453,876.48 = 177,991.95 : x - Step 2: Convert to fraction form
328,894.95/453,876.48 = 177,991.95/x - Step 3: Cross multiply
328,894.95x = 453,876.48 × 177,991.95 - Step 4: Simplify right side
328,894.95x = 80,786,359,734.34 - Step 5: Solve for x
x = 80,786,359,734.34/328,894.95 - Step 6: Final answer
x = 245,629.68
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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.