Finding the Fourth Proportional to 346,133.84, 477,670.92 and 202,997.12
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Solution
The fourth proportional to 346,133.84, 477,670.92 and 202,997.12 is: 280,139.67
Step by Step Solution
- Step 1: Write the proportion equation
346,133.84 : 477,670.92 = 202,997.12 : x - Step 2: Convert to fraction form
346,133.84/477,670.92 = 202,997.12/x - Step 3: Cross multiply
346,133.84x = 477,670.92 × 202,997.12 - Step 4: Simplify right side
346,133.84x = 96,965,821,067.75 - Step 5: Solve for x
x = 96,965,821,067.75/346,133.84 - Step 6: Final answer
x = 280,139.67
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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.