Finding the Fourth Proportional to 518,191.19, 777,212.97 and 163,195.98
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Solution
The fourth proportional to 518,191.19, 777,212.97 and 163,195.98 is: 244,770.72
Step by Step Solution
- Step 1: Write the proportion equation
518,191.19 : 777,212.97 = 163,195.98 : x - Step 2: Convert to fraction form
518,191.19/777,212.97 = 163,195.98/x - Step 3: Cross multiply
518,191.19x = 777,212.97 × 163,195.98 - Step 4: Simplify right side
518,191.19x = 126,838,028,781.33 - Step 5: Solve for x
x = 126,838,028,781.33/518,191.19 - Step 6: Final answer
x = 244,770.72
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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.