Finding the Fourth Proportional to 346,027.68, 477,519.84 and 202,788.72
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Solution
The fourth proportional to 346,027.68, 477,519.84 and 202,788.72 is: 279,849.40
Step by Step Solution
- Step 1: Write the proportion equation
346,027.68 : 477,519.84 = 202,788.72 : x - Step 2: Convert to fraction form
346,027.68/477,519.84 = 202,788.72/x - Step 3: Cross multiply
346,027.68x = 477,519.84 × 202,788.72 - Step 4: Simplify right side
346,027.68x = 96,835,637,128.20 - Step 5: Solve for x
x = 96,835,637,128.20/346,027.68 - Step 6: Final answer
x = 279,849.40
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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.