Finding the Fourth Proportional to 324,358.70, 486,538.05 and 235,193.90
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Solution
The fourth proportional to 324,358.70, 486,538.05 and 235,193.90 is: 352,790.85
Step by Step Solution
- Step 1: Write the proportion equation
324,358.70 : 486,538.05 = 235,193.90 : x - Step 2: Convert to fraction form
324,358.70/486,538.05 = 235,193.90/x - Step 3: Cross multiply
324,358.70x = 486,538.05 × 235,193.90 - Step 4: Simplify right side
324,358.70x = 114,430,781,477.90 - Step 5: Solve for x
x = 114,430,781,477.90/324,358.70 - Step 6: Final answer
x = 352,790.85
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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.