Finding the Fourth Proportional to 272,827.40, 409,241.10 and 115,233.80
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Solution
The fourth proportional to 272,827.40, 409,241.10 and 115,233.80 is: 172,850.70
Step by Step Solution
- Step 1: Write the proportion equation
272,827.40 : 409,241.10 = 115,233.80 : x - Step 2: Convert to fraction form
272,827.40/409,241.10 = 115,233.80/x - Step 3: Cross multiply
272,827.40x = 409,241.10 × 115,233.80 - Step 4: Simplify right side
272,827.40x = 47,158,407,069.18 - Step 5: Solve for x
x = 47,158,407,069.18/272,827.40 - Step 6: Final answer
x = 172,850.70
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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.