Finding the Fourth Proportional to 328,784.24, 453,725.16 and 177,884.24
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Solution
The fourth proportional to 328,784.24, 453,725.16 and 177,884.24 is: 245,481.82
Step by Step Solution
- Step 1: Write the proportion equation
328,784.24 : 453,725.16 = 177,884.24 : x - Step 2: Convert to fraction form
328,784.24/453,725.16 = 177,884.24/x - Step 3: Cross multiply
328,784.24x = 453,725.16 × 177,884.24 - Step 4: Simplify right side
328,784.24x = 80,710,555,255.48 - Step 5: Solve for x
x = 80,710,555,255.48/328,784.24 - Step 6: Final answer
x = 245,481.82
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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.