Finding the Fourth Proportional to 236,216,528.70, 354,324,793.05 and 221,867,621.70
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Solution
The fourth proportional to 236,216,528.70, 354,324,793.05 and 221,867,621.70 is: 332,801,432.55
Step by Step Solution
- Step 1: Write the proportion equation
236,216,528.70 : 354,324,793.05 = 221,867,621.70 : x - Step 2: Convert to fraction form
236,216,528.70/354,324,793.05 = 221,867,621.70/x - Step 3: Cross multiply
236,216,528.70x = 354,324,793.05 × 221,867,621.70 - Step 4: Simplify right side
236,216,528.70x = 78,613,199,143,348,192 - Step 5: Solve for x
x = 78,613,199,143,348,192/236,216,528.70 - Step 6: Final answer
x = 332,801,432.55
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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.