Finding the Fourth Proportional to 235,649.42, 353,420.87 and 67,166.12
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Solution
The fourth proportional to 235,649.42, 353,420.87 and 67,166.12 is: 100,733.99
Step by Step Solution
- Step 1: Write the proportion equation
235,649.42 : 353,420.87 = 67,166.12 : x - Step 2: Convert to fraction form
235,649.42/353,420.87 = 67,166.12/x - Step 3: Cross multiply
235,649.42x = 353,420.87 × 67,166.12 - Step 4: Simplify right side
235,649.42x = 23,737,906,461.99 - Step 5: Solve for x
x = 23,737,906,461.99/235,649.42 - Step 6: Final answer
x = 100,733.99
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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.