Finding the Fourth Proportional to 316,350.76, 436,675.14 and 195,584.68
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Solution
The fourth proportional to 316,350.76, 436,675.14 and 195,584.68 is: 269,975.54
Step by Step Solution
- Step 1: Write the proportion equation
316,350.76 : 436,675.14 = 195,584.68 : x - Step 2: Convert to fraction form
316,350.76/436,675.14 = 195,584.68/x - Step 3: Cross multiply
316,350.76x = 436,675.14 × 195,584.68 - Step 4: Simplify right side
316,350.76x = 85,406,967,520.86 - Step 5: Solve for x
x = 85,406,967,520.86/316,350.76 - Step 6: Final answer
x = 269,975.54
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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.