Finding the Fourth Proportional to 804,806.90, 1,207,372.35 and 236,186.90
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Solution
The fourth proportional to 804,806.90, 1,207,372.35 and 236,186.90 is: 354,327.89
Step by Step Solution
- Step 1: Write the proportion equation
804,806.90 : 1,207,372.35 = 236,186.90 : x - Step 2: Convert to fraction form
804,806.90/1,207,372.35 = 236,186.90/x - Step 3: Cross multiply
804,806.90x = 1,207,372.35 × 236,186.90 - Step 4: Simplify right side
804,806.90x = 285,165,532,492.22 - Step 5: Solve for x
x = 285,165,532,492.22/804,806.90 - Step 6: Final answer
x = 354,327.89
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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.