Finding the Fourth Proportional to 341,974.22, 471,948.84 and 189,009.12
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Solution
The fourth proportional to 341,974.22, 471,948.84 and 189,009.12 is: 260,846.08
Step by Step Solution
- Step 1: Write the proportion equation
341,974.22 : 471,948.84 = 189,009.12 : x - Step 2: Convert to fraction form
341,974.22/471,948.84 = 189,009.12/x - Step 3: Cross multiply
341,974.22x = 471,948.84 × 189,009.12 - Step 4: Simplify right side
341,974.22x = 89,202,634,933.42 - Step 5: Solve for x
x = 89,202,634,933.42/341,974.22 - Step 6: Final answer
x = 260,846.08
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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.