Finding the Fourth Proportional to 328,395.62, 453,185.74 and 177,492.62
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Solution
The fourth proportional to 328,395.62, 453,185.74 and 177,492.62 is: 244,939.70
Step by Step Solution
- Step 1: Write the proportion equation
328,395.62 : 453,185.74 = 177,492.62 : x - Step 2: Convert to fraction form
328,395.62/453,185.74 = 177,492.62/x - Step 3: Cross multiply
328,395.62x = 453,185.74 × 177,492.62 - Step 4: Simplify right side
328,395.62x = 80,437,124,339.24 - Step 5: Solve for x
x = 80,437,124,339.24/328,395.62 - Step 6: Final answer
x = 244,939.70
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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.