Finding the Fourth Proportional to 355,654.08, 490,796.28 and 194,507.82
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Solution
The fourth proportional to 355,654.08, 490,796.28 and 194,507.82 is: 268,417.32
Step by Step Solution
- Step 1: Write the proportion equation
355,654.08 : 490,796.28 = 194,507.82 : x - Step 2: Convert to fraction form
355,654.08/490,796.28 = 194,507.82/x - Step 3: Cross multiply
355,654.08x = 490,796.28 × 194,507.82 - Step 4: Simplify right side
355,654.08x = 95,463,714,486.91 - Step 5: Solve for x
x = 95,463,714,486.91/355,654.08 - Step 6: Final answer
x = 268,417.32
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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.