Finding the Fourth Proportional to 328,715.36, 494,246.76 and 302,733.80
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Solution
The fourth proportional to 328,715.36, 494,246.76 and 302,733.80 is: 455,181.65
Step by Step Solution
- Step 1: Write the proportion equation
328,715.36 : 494,246.76 = 302,733.80 : x - Step 2: Convert to fraction form
328,715.36/494,246.76 = 302,733.80/x - Step 3: Cross multiply
328,715.36x = 494,246.76 × 302,733.80 - Step 4: Simplify right side
328,715.36x = 149,625,199,792.49 - Step 5: Solve for x
x = 149,625,199,792.49/328,715.36 - Step 6: Final answer
x = 455,181.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.