Finding the Fourth Proportional to 268,930.80, 403,525.80 and 189,874.80
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Solution
The fourth proportional to 268,930.80, 403,525.80 and 189,874.80 is: 284,903.70
Step by Step Solution
- Step 1: Write the proportion equation
268,930.80 : 403,525.80 = 189,874.80 : x - Step 2: Convert to fraction form
268,930.80/403,525.80 = 189,874.80/x - Step 3: Cross multiply
268,930.80x = 403,525.80 × 189,874.80 - Step 4: Simplify right side
268,930.80x = 76,619,380,569.84 - Step 5: Solve for x
x = 76,619,380,569.84/268,930.80 - Step 6: Final answer
x = 284,903.70
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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.