Finding the Fourth Proportional to 324,367.20, 486,550.80 and 235,202.40
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Solution
The fourth proportional to 324,367.20, 486,550.80 and 235,202.40 is: 352,803.60
Step by Step Solution
- Step 1: Write the proportion equation
324,367.20 : 486,550.80 = 235,202.40 : x - Step 2: Convert to fraction form
324,367.20/486,550.80 = 235,202.40/x - Step 3: Cross multiply
324,367.20x = 486,550.80 × 235,202.40 - Step 4: Simplify right side
324,367.20x = 114,437,915,881.92 - Step 5: Solve for x
x = 114,437,915,881.92/324,367.20 - Step 6: Final answer
x = 352,803.60
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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.