Finding the Fourth Proportional to 316,604.62, 436,914.12 and 173,367.46
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Solution
The fourth proportional to 316,604.62, 436,914.12 and 173,367.46 is: 239,246.95
Step by Step Solution
- Step 1: Write the proportion equation
316,604.62 : 436,914.12 = 173,367.46 : x - Step 2: Convert to fraction form
316,604.62/436,914.12 = 173,367.46/x - Step 3: Cross multiply
316,604.62x = 436,914.12 × 173,367.46 - Step 4: Simplify right side
316,604.62x = 75,746,691,222.54 - Step 5: Solve for x
x = 75,746,691,222.54/316,604.62 - Step 6: Final answer
x = 239,246.95
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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.