Finding the Fourth Proportional to 268,909.40, 403,364.10 and 180,435.80
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Solution
The fourth proportional to 268,909.40, 403,364.10 and 180,435.80 is: 270,653.70
Step by Step Solution
- Step 1: Write the proportion equation
268,909.40 : 403,364.10 = 180,435.80 : x - Step 2: Convert to fraction form
268,909.40/403,364.10 = 180,435.80/x - Step 3: Cross multiply
268,909.40x = 403,364.10 × 180,435.80 - Step 4: Simplify right side
268,909.40x = 72,781,324,074.78 - Step 5: Solve for x
x = 72,781,324,074.78/268,909.40 - Step 6: Final answer
x = 270,653.70
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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.