Finding the Fourth Proportional to 316,730.26, 436,922.13 and 195,832.90
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Solution
The fourth proportional to 316,730.26, 436,922.13 and 195,832.90 is: 270,146.99
Step by Step Solution
- Step 1: Write the proportion equation
316,730.26 : 436,922.13 = 195,832.90 : x - Step 2: Convert to fraction form
316,730.26/436,922.13 = 195,832.90/x - Step 3: Cross multiply
316,730.26x = 436,922.13 × 195,832.90 - Step 4: Simplify right side
316,730.26x = 85,563,727,792.08 - Step 5: Solve for x
x = 85,563,727,792.08/316,730.26 - Step 6: Final answer
x = 270,146.99
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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.