Finding the Fourth Proportional to 325,812.10, 488,718.15 and 192,623.80
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Solution
The fourth proportional to 325,812.10, 488,718.15 and 192,623.80 is: 288,935.70
Step by Step Solution
- Step 1: Write the proportion equation
325,812.10 : 488,718.15 = 192,623.80 : x - Step 2: Convert to fraction form
325,812.10/488,718.15 = 192,623.80/x - Step 3: Cross multiply
325,812.10x = 488,718.15 × 192,623.80 - Step 4: Simplify right side
325,812.10x = 94,138,747,181.97 - Step 5: Solve for x
x = 94,138,747,181.97/325,812.10 - Step 6: Final answer
x = 288,935.70
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1.5x scale
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.