Finding the Fourth Proportional to 186,720.13, 257,627.68 and 110,241.01
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Solution
The fourth proportional to 186,720.13, 257,627.68 and 110,241.01 is: 152,105.38
Step by Step Solution
- Step 1: Write the proportion equation
186,720.13 : 257,627.68 = 110,241.01 : x - Step 2: Convert to fraction form
186,720.13/257,627.68 = 110,241.01/x - Step 3: Cross multiply
186,720.13x = 257,627.68 × 110,241.01 - Step 4: Simplify right side
186,720.13x = 28,401,135,647.16 - Step 5: Solve for x
x = 28,401,135,647.16/186,720.13 - Step 6: Final answer
x = 152,105.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.