Finding the Fourth Proportional to 236,574,778.20, 354,331,325.70 and 194,107,450.20
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Solution
The fourth proportional to 236,574,778.20, 354,331,325.70 and 194,107,450.20 is: 290,725,624.60
Step by Step Solution
- Step 1: Write the proportion equation
236,574,778.20 : 354,331,325.70 = 194,107,450.20 : x - Step 2: Convert to fraction form
236,574,778.20/354,331,325.70 = 194,107,450.20/x - Step 3: Cross multiply
236,574,778.20x = 354,331,325.70 × 194,107,450.20 - Step 4: Simplify right side
236,574,778.20x = 68,778,350,157,612,720 - Step 5: Solve for x
x = 68,778,350,157,612,720/236,574,778.20 - Step 6: Final answer
x = 290,725,624.60
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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.