Finding the Fourth Proportional to 403,709.44, 557,134.08 and 224,872.96
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Solution
The fourth proportional to 403,709.44, 557,134.08 and 224,872.96 is: 310,333.07
Step by Step Solution
- Step 1: Write the proportion equation
403,709.44 : 557,134.08 = 224,872.96 : x - Step 2: Convert to fraction form
403,709.44/557,134.08 = 224,872.96/x - Step 3: Cross multiply
403,709.44x = 557,134.08 × 224,872.96 - Step 4: Simplify right side
403,709.44x = 125,284,389,686.48 - Step 5: Solve for x
x = 125,284,389,686.48/403,709.44 - Step 6: Final answer
x = 310,333.07
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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.