Finding the Fourth Proportional to 346,714.38, 476,628.48 and 298,138.14
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Solution
The fourth proportional to 346,714.38, 476,628.48 and 298,138.14 is: 409,850.69
Step by Step Solution
- Step 1: Write the proportion equation
346,714.38 : 476,628.48 = 298,138.14 : x - Step 2: Convert to fraction form
346,714.38/476,628.48 = 298,138.14/x - Step 3: Cross multiply
346,714.38x = 476,628.48 × 298,138.14 - Step 4: Simplify right side
346,714.38x = 142,101,128,498.23 - Step 5: Solve for x
x = 142,101,128,498.23/346,714.38 - Step 6: Final answer
x = 409,850.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.