Finding the Fourth Proportional to 235,239.40, 353,247.90 and 156,701.80
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Solution
The fourth proportional to 235,239.40, 353,247.90 and 156,701.80 is: 235,311.69
Step by Step Solution
- Step 1: Write the proportion equation
235,239.40 : 353,247.90 = 156,701.80 : x - Step 2: Convert to fraction form
235,239.40/353,247.90 = 156,701.80/x - Step 3: Cross multiply
235,239.40x = 353,247.90 × 156,701.80 - Step 4: Simplify right side
235,239.40x = 55,354,581,776.22 - Step 5: Solve for x
x = 55,354,581,776.22/235,239.40 - Step 6: Final answer
x = 235,311.69
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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.