Finding the Fourth Proportional to 188,130.96, 259,620.48 and 107,560.26
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Solution
The fourth proportional to 188,130.96, 259,620.48 and 107,560.26 is: 148,433.02
Step by Step Solution
- Step 1: Write the proportion equation
188,130.96 : 259,620.48 = 107,560.26 : x - Step 2: Convert to fraction form
188,130.96/259,620.48 = 107,560.26/x - Step 3: Cross multiply
188,130.96x = 259,620.48 × 107,560.26 - Step 4: Simplify right side
188,130.96x = 27,924,846,330.12 - Step 5: Solve for x
x = 27,924,846,330.12/188,130.96 - Step 6: Final answer
x = 148,433.02
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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.